Rapid rectilinear lens. Bausch & Lomb Opt.

Rapid rectilinear lens 0 comments. Third lens is probably for quarter plate, maybe half plate if it's a rapid rectilinear. e. 45Cm focal lenght f/8. The Protar series VIIa is of this type. No 92234-S. 1880's-c. No mention of Wide Angle, but with Rectilinear, The early anastigmat lenses built on the basic concept used in the Rapid Rectilinear lens, i. 1/4" WA Rectilinear at f:11ish - it really isn't supposed to be used above f:16, but I forgot to stop down. as the "Soldier's camera" during World War I. Notes Bausch and Lomb Rapid Rectilinear Lens Theory Nikkor 135mm F2. lens is a high-quality, faultless Rapid Rectilinear type that is sure to impress any photography enthusiast. R & J Beck was a renowned British optical company based in London. 8-4 Vivitar 17mm 3. It is marked with Universal System (US) stops. Autotime exposure scale. The simplest and least expensive was the Rapid Rectilinear, a formula that was by then over 50 years old. The lens will be delivered by Special Delivery in the UK. A note on lens coating and yellow dots: Wollensak introduced a hard-coat anti-reflection magnesium fluoride coating in 1944 and began offering the coating commercially at an extra charge in 1946. 28-Jan-2014, 10:01. Its 5x7 size and Sym. Leave a comment Bausch and Lomb Rapid Rectilinear. Type. And barrel distortion is also stronger than pincushion. The shutter surround (or Index Plate) carries number 17982 (Type S-21 in Jay Kay's identification scheme ), dating the camera to the period 1921 to the end of the production (nominally 1926). Category: Photographic Technology Collection: Kodak Collection Object Number: 1990-5036/4423 type: lens and shutter credit: The Kodak Collection at Euryscope (rapid rectilinear) - c. Series seven and the "supplementary series" were wide angle lenses, probably based on the Rapid Rectilinear design, dreastically modified for extra coverage, but with small maximum aperture. Automatic (earlier model), or Brownie Ball Bearing Shutter with modes B and T plus speeds 1/25 sec. 1890's Voightlander Euryscope (rapid rectilinear) , Voightlander & Sohn, c. An important invention was Lens: f8, 9" rapid rectilinear, Waterhouse stops. Dallmeyer（1830-1883）和Dr. A rapid rectilinear type lens works @ f8 = US4. It provided photographers a reasonably the flint element of the rapid rectilinear, thus turning the half-system from a doublet into a triplet 3 Use almost equal outside radii of curvature and to thicken the lens sufficiently to give the desired focal length and Petzval sum. The Versar was a Rapid Rectilinear type. This example of the Vest Pocket Autographic Kodak is fitted with the Rapid Rectilinear lens; the body is in the Japan Crystal finish. Seneca Rapid Rectilinear lens. A "normal" Rapid Rectilinear would be much softer in the corners. Figure 8: A Rapid Rectilinear Lens next to a Canon 5D (above) and disassembled showing the two identical glass elements (below). The first lens is a rapid rectilinear lens about 150mm ƒ4 Find Rapid Rectilinear Lens stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. The Combination Rectigraph is a wide-angle rapid rectilinear lens where each half can be used separately. By 1895 some 30. It does make a nice portrait lens because the field is not as flat as with an anastigmatic lens So again Vesra= fast f6 Rapid Rectilinear and Veritar = f6 updated Verito f4 Diffused focus lens 13-Sep-2019, 15:01 #9. Achromatic Lens - correcting chromatic aberration e. It was very successful, selling 1,750,000 units. 7 lens was available. No Interest if paid in full in 6 mo on $99+ with PayPal Credit * Condition:--not specified. 917 views. Category: Photographic Technology Collection: Kodak Collection Object Number: 1990-5036/3165 Materials: brass (copper, zinc alloy) and This is Kingslake's Rapid Rectilinear lens from his book "Lens Design Fundamentals", pp. The description of the lens is engraved on the barrel. Eastman by Folmer & Schwing Graphic Rapid rectilinear brass lens. 6, 24" Back Focus 16x20 Somerville rapid rectilinear lenses. Category: Photographic Technology Collection: Kodak Collection Object Number: 1990-5036/4423 type: lens and shutter credit: The Kodak Collection at Posted: Tue Jul 13, 2010 11:35 am Post subject: 1880s Brass: Taylor, Taylor & Hobson - Rapid Rectilinear Scheimpflug wrote: Lightning strikes twice? Just a month after finding my 1940's era large-format Dallmeyer with the homemade brass M42 adapter ( thread here ), I have come across Lens: meniscus lens, or Rapid Rectilinear Bausch & Lomb f/4 lens; Shutter: F. Early variants were expensive and had for example a combination of Kodak Automatic shutter and Rapid Rectilinear lens of The Vest Pocket Autographic Kodak was the version advertised in the U. 2702. 3 double dark-slides. de Golden Busch cameras Rapid Rectilinear lens, US 4-64. A. The No. 5 with more even coverage than petzvals but narrower than std, detective aplanats at f6 or so, and a portable around f11. The lens type is Rapid rectilinear lens for 9 x7 plates. plain old "fixer" By Calamity Jane in forum Darkroom: Film, Processing & Printing Replies: 10 Last Post: 4-Mar-2005, 06:11. Brass mount with diaphragm, 3 scales. Dallmeyer No 1A wide angle rapid rectilinear lens F: 6 inches, f/ 15, wheel stops 2, 3, x 4. 6, 50-mm focal length, 24° half-field Our definition of the rapid rectilinear lens is a pair of symmetric doublets centered on a remote stop. Kent in SD The lens I have is a brass BECK SYMMETRICAL lens, made around 1900, and a popular rapid rectilinear design often found on British cameras of the period (usually Ensign or Thornton-Pickard models). 1A Autographic Kodak Junior. Pat The Rapid Rectilinear design was first patented in 1866 but this particular Rapid Rectilinear lens was apparently introduced in 1897 and is most well-known for its use on the Kodak postcard cameras including the No. I had one years ago and wish I still had it. F. With a field of 2w = 50° and an aperture of F/8 the Rapid Rectilinear has excellent correction of coma, distortion and lateral colour (TCA), made possible by the symmetry of the design. With normal Rapid Rectilinear lenses you need around a little over 6½" FL to cover 5x4 but that varies between manufacturers and The first model was made between April and October 1909. Pneumatic release valve. S. arri. 0 bids. It was founded in 1843 by the nephews of J. The slot in the barrel into which its Waterhouse stops slide is exposed by pulling the lens out. Is there some reason why, for what probably was a fairly rare lens at the time, so many still Description Rapid rectilinear 8x10 lens, without waterhouse stops. the flint element of the rapid rectilinear, thus turning the half-system from a doublet into a triplet 3 Use almost equal outside radii of curvature and to thicken the lens sufficiently to give the desired focal length and Petzval sum. The lens on the right is a Wide Angle Rectilinear and its markings are shown below. Although the Rapid Rectilinear is the older design, when stopped down to f/16 or higher it is extremely sharp and, surprisingly, has excellent color rendition. b. $6. 16 is the same as f-16 and you just need to Originally an f8 Beck Rapid Rectilinear lens was supplied on the models 2 and 3, around 1901 a Beck Steinheil was available at f6. 5 AF Nikon 60mm Micro Sigma MF 35-70mm F2. I know this because I was extremely lucky to come across this gentlemans web page - This is a simple matter with some Dallmeyer lenses as the names of the Patent Portraits, Rapid Rectilinears, Triple Achromats and Stigmatic lenses are usually inscribed on the lens barrel. Cost will depend on demand. , 1/50 sec. The symmetry of the design greatly reduces radial distortion, See more A Rapid Rectilinear lens, or RR lens, is a symmetrical pair of cemented achromatic doublets. It had a rapid rectilinear lens and Eastman Automatic shutter. It is a rapid rectilinear design, with two cemented groups of Dallmeyer’s Rapid Rectilinear lens. The date of manufacture is a bit vague at best. P K. Inscriptions Engraved on metal, lens barrel, TC: The "C. 223-226, in OSLO-EDU. Combined lenses give f16, 4 ¾". 1 The Rapid Rectilinear was the first lens that could be used for both portraits and architecture, Steinhel called some of his versions "Universal-Aplanat". 5 x 8. They were in general use but came are still valuable as portrait lenses. It was introduced by Dallmeyer in 1866. Peck: Date: Late 1800s: Dimensions: English: Metric: Length: 3. As a result, the image cannot be focused to RSalles wrote: These Rapid Rectilinear lens are also very good at the portrait dep. My lens is about a 10 inch focal length with an aperture from f/8 to f/45. Construction: Mahogany, finger joints, square cornered leather bellows. 1, 7½" Back Focus 5x7 Somerville Rapid Rectilinear Lens No. 5-4. $250. Automatic or Ball bearing - see below Numbers made: 108,000 Original price: ? Description: This square edge camera features imitation leather covered wood body with a reversible reflecting finder and sliding focusing with automatic lock from serial number 101-F. The Rapid-Rectilinear and Aplanat lenses were scalable over many focal lengths and fields of view for all contemporaneous media, and they were the standard moderate-aperture, general-purpose lenses for more than half a century. Second tube. Front outer diameter is 51mm; rear outer diameter is 42mm. a B&L Rapid Rectilinear lens set a Kodak Anastigmet 170mm f6. 7 Catalogue, T. K. No. The maximum aperture is also not marked but is a small amount faster than f8. Variants were B, B2, B3, A hundred years ago many camera lenses were made of brass and had no optical coatings on the glass elements. The focal length is not marked but is about 8. 00. Kingslake rapid rectilinear lens pp 223-226. It provided photographers a reasonably wide-aperture, wide-angle lens that was nearly free of distortion. 3A In our modern system this lens goes from f/8-f/45, and f/8 is the typical maximum for Rapid Rectilinears. the lenses: Extra Rapid Aplanat Rectiligne Rapide Rapid Rectilinear was a very popular lens design in the second half of 19th century. In 1989, Rudolph Kingslake, in his book, A History of the Photographic Lens, nicely summarizes the Rapid Rectilinear design. 334575. In betwe Your lens seems to be in "US" stops like Brian suggested and NOT "f" stops. 1 Junior that I use as a working camera has about 1 mm of A combinable lens has several lens groups that can be combined or used individually to give a wide range of focal lengths. 1870): the firm started as Smith and Beck. There is an Anastigmat variety I have not seen yet to visually recognize in an auction listingI imagine that would be the most refined lens. 0in: 50mm: Aperture Stop: Insert Slide: Function : Description From the landscape lens to the Planar lens summary (Variations in the landscape lens theme) •Wollanston meniscus •Petzval portrait lens •Chevalier •Doubling: odd aberrations and spherical •Periscopic lens •Chevalier and new achromat •Rapid rectilinear •Limiting astigmatism and field curvature •New glasses •Ross concentric The Rapid Rectilinear lens was introduced by J. , did you tried out it already? Seems to be sharp enough, with a very nice creamy bokeh. Just based on the contrast I would attempt to say that the old rapid rectilinear (which obviously can not have any coating) should not be #2 whose contrast seems to suggest at least a coating of some kind. Re: Rapid rectilinear lens It s a simple aplanat lens for the old 5x8 inch format. 50 to $22. It is quite distinctive with its push-pull focus and set screw. 1 fave. The Petzval has a differently-curved doublet in the front, and an air-spaced pair of lenses in the rear. Fitted with a Kodak Rapid Rectilinear lens and the Kodak ball bearing shutter with variable speeds up to 1/100 second. 8/135) Folding camera for 116 rollfilm 2 1/2 x 4 1/4 inches. Comes with flange without stops. H. Beginning in 1947, this “Wocote” lens coating was standard on all Wollensak lenses for commercial cameras and indicated by a stylized letter W-in-a-C logo (shown at right). The Midg No. Interchangeable Hi, Can anyone help me identifying this rapid rectilinear lens? Thanks in advance Attached Thumbnails 3-Jul-2023, 07:30 #2. C. 2 takes six exposures, 2 1/4 x 3 1/4 inches in size on No. The Rapid Rectilinear, a Crouch produced a range of conventional rapid rectilinear lenses and a faster model for hand cameras in lengths from 4 ½ - 6". Bausch & Lomb Petzval lens 5 Inches Rack & Pinion Focus, Daguerreotype. I sized the lenses to have zero vignetting at f/8 and leave some mounting margin. Perken, Son & Rayment made a number of folding cameras aimed at the cheaper end of the market, they were well-made and very usable but lacked Ultra compact 35mm half frame analogue point and shoot camera Large bright glass viewfinder with 38mm frame mask Built in light meter for automatic exposure Manual mode with shutter speeds from 30sec. 1 Kodak ball bearing shutter with cable release and with speeds from 1/25 to 1/100 of a second. Screw thread is 43mm. The aperture runs smoothly from f/8 to f/45. It's at EFL=10mm, so you can scale the OSLO file to whatever your lens is. Lens flange. In photography, a rectilinear lens is a photographic lens that yields images where straight features, such as the edges of walls of buildings, appear with straight lines, as opposed to being curved. Portrait lenses were available for 3' or 6' focus with the meniscus and 2' 6" or 4' 6" with the rapid rectilinear lens. I own a Grass & Worff Extra Rapid Aplanat and a EM. Popular Articles. Rapid Rectilinear Lens - Victor Shutter Done. Tomorrow when it's Sunny measure the FL by focussing the lens on a distant object and projecting the image on a white wall, measure from the aperture ring to the wall. A cheaper model was available with a simple meniscus lens, but was otherwise identical. Before B&L licensed the Tessar design from Zeiss, its most common product was the Rapid Rectilinear (known elsewhere The Rapid Rectilinears are clearly marked as in the sample on the left a 10x8 Rapid Rectilinear. We can rate the lens 7 out of 10 "This is a vintage Bausch & Lomb Rapid Rectilinear lens (~7" FL from back of lens) in Kodak shutter with an image circle of 10", which will cover 5x7 or anything smaller. . The first is in original lacquer with more than average loss of lacquer, brass discolouration. Model A started with serial number 14951. 1890's "J. Anastigmat Lens - correcting astigmatism d. Vintage Conley Film & Plate Camera w/ 3 Holders TIB Rapid Rectilinear Lens. Following an entry on Lens Collector’s Vademecum, (page 329), this lens should be a Rapid Rectilinear. An optional Kodak Anastigmat f7. • Plano convex lens • Wollaston periscopic meniscus • Periskop lens • Chevalier landscape lens • Petzval portrait lens • Lister objective • Rapid rectilinear • Concentric lens • Anastigmatic lens • Telephoto lens • Inverse telephoto lens • Combinations of achromatic doublets I bought this Rapid Rectilinear brass lens 2 years ago but have left it dormant in my dry box. to 1/100 sec. Walsl Baltimore" Excelsior Single View Lens Type E, c. Photo no. It has the Wheel Stops for aperture adjustment. There were a lot of lensmakers in the past but I have no knowlegde about ↑ Optimus 8x10-inch Rapid Rectilinear lens engraved 'Manufactured by Lejeune & Perken for M. Priced at $17. Fairly good Bausch & Lomb AIR shutter, but accuracy cannot be guaranteed. View Profile In the later part of the 19th century and beginning of the 20th century, Kodak cameras typically came with either simple meniscus lenses, dual meniscus lenses (periscopic type), achromatic meniscus lenses, or better lenses from third parties such as Bausch & Lomb's Rapid Rectilinear. Details. Its popularity may be second only to Petzval for portraiture back in McKeown states that the camera has a 'Ruby' Rapid-Rectilinear lens. Rapid Rectilinear Lens - lens corrected of distortion c. It reads "Busch Rapid Rectilinear f:8". This vintage Wollensak Optical Co. 3A Folding Autographic Brownie by Kodak took 122 film, was made in the United States, was introduced in 1916, was discontinued in 1926, with variations including a achromatic lens and a version with rapid rectilinear lens. The shutter is a Kodak ball-bearing, with its usual limited speeds, but these simple shutters are notable for reliability and durability. In good condition considering it’s age. Fitted with a Bausch and Lomb rapid rectilinear lens US 4-64. Download scientific diagram | The Dallmeyer 'Rapid Rectilinear' lens adopted in the Dallmeyer photoheliographs to magnify the solar images up to 4-inches diameter. You might or might not have enough bellows for it--have to measure the focal length. However, this lens, known as ‘Concentric’ was limited by the presence . Early variants were expensive and had for example a combination of Kodak Automatic shutter and Rapid Rectilinear lens of History: The Rapid Rectilinear lens, developed in the 1860s, was the fist symmetrical lens (lenses with nearly identical elements on either side of a central stop) of good optical quality. %PDF-1. Sold by City Sale and Exchange. The maker's name is embossed on the rear door. (c. H. 2 shows a Rapid Rectilinear "Optimus" for 9x7" sold by the actual makers Perken, Son & Rayment. Lens sets, known as caskets, share a common mount and diaphragm, the lenses in the set, typically a rapid rectilinear, landscape, wide-angle, were not combinable. Unlike a simple achromatic lens The Rapid Rectilinear-equipped ones have a more massive lens visible with the distinctive black-painted lens cell. There are four aperture holes but they are marked with two aperture numbers per hole. " \ Rapid Rectilinear \ 8 x 10 \ C. Boyden \ Worcester Mass. 50, in 1916. And f-stops from f/ 4 to f/ 128. Has 3 Midg cameras advertised in Britain in 1904–5. With: Box. This is the more expensive model fitted with a rapid rectilinear lens. s. Please support mflenses. W. View Profile View Forum Posts Join Date Oct 2019 Posts 265. , having two symmetrical or nearly symmetrical lenses on either side of an iris diaphragm, each composed of two or more elements cemented together. Vintage JW Queen Brass Pantagraph Rapid Rectilinear 55 16 1/2 In Camera Lens. All four shots were hand-held. Spherical aberration occurs because a spherical lens refracts light that enters near the edge more than light that enters near the center (Figure 7). Various series of lenses were offered, each series This is a very old Bausch &amp; Lomb Kodak Rapid Rectilinear 5 inch f8 lens, so old that the apertures are marked in Universal System stops (they correspond to f8-f45). or Best Offer. luisalegria wrote: I picked up a couple of lenses in shutter that came from old folding cameras. a photo taken with a Sonnar 2. James, and that it is a " 5x7 Rapid Rectilinear" . R. The design below has a pair of Gaus doublets. With four Waterhouse stops, f/8, 16, 24, 64, in case. These were offered in a variety of forms: wide angle ~f12-16, the standard f7-8 covering about 70 degrees, a portrait aplanat at f4-5. Additional features included a folding bellows design, automatic focusing lock, reversible finder, and two tripod sockets. Rapid Rectilinear Construction Lens Type: Rapid rectilinear, dividing. P. The top of the line was the Kodak Anastigmat, a three-element design. 5d 16h. Harcourt Brace Jovanovich, Publishers The Rapid Rectilinear or Aplanat 59 C. Indermill, St. Orio wrote: It's very difficult for me to guess because I don't own any of your lenses so I don't have any idea of how they would look. 1in: 80mm: Diameter: 2. The name of the camera is embossed into a roundel above the lens. Marked 7 x 5. At particularly wide angles, however, the rectilinear perspective will cause objects to appear increasingly stretched and enlarged as they near the edge of the frame. The normal version, which is what you seem to have, has a maximum aperture of f8. It was arguably the most Rapid rectilinear lens for 9 x7 plates. f10 - f40, 8" front element. Accessories. Dr. 88-89 it may be their name for a rapid rectilinear lens. Joseph, MO, October 1, 1885, p. Galli's petzval thread, Here is the start of one that uses early rapid rectilinear lenses. Rapid rectilinear lens by Dallmeyer with large image circle. I had 2 old lenses I wanted to try out that I thought might work. The The Rapid Rectilinear lens needs to be used significantly stopped down to be sharp – at least f/11 or better f/16 – so problems around the edge of the lens may have no significant effect. The lens is uncoated. The lens is mounted in a (working) shutter with three settings, T. This is mounted on a Thornton-Pickard roller-blind shutter on the front standard. It covered 8x10 and then some. With a coloured filter in place, some abberation will dissappear. Models A, B, & C, produced through 1904, had the front Vintage Conley Film & Plate Camera With 3 Holders Tib Rapid Rectilinear Lens. Both Dallmayer’s Rapid Rectilinear and Steinhill’s Aplanat were hugely popular. The Rapid Rectilinear also named Aplanat is a famous photographic lens design. Lens cap marked Optimus. to 1/500th Rotary lens board with 4 lens options - 33. I have a similar lens but 'Extra Rapid' which is f5. 1-A Folding Pocket Kodak Special @ 1909-1915. Not having an 8x10 lens, I took the B&L Rapid Rectilinear lens (~170mm) from a Kodak folder and removed one element (~290mm). In 1925 Kodak was offering three lens designs for advanced amateur photo work in folding cameras using 120 film. For half-plate. Lister, Richard Beck (1827-1866) and Joseph Beck (1828-1891) who were in partnership with a famous instrument maker, James Smith (d. Return to The Rapid Rectilinear is a fine lens with excellent central definition becoming rather less sharp towards the edge of the imahge. In other words, it is a lens with little or no barrel or pincushion distortion. 25 inches (210 mm). Unsymmetrical Doublets (Spherically Corrected) 62 A. Unsurprisingly, the lenses with cemented elements (Rapid Rectilinear, Aldis Uno) performed poorly – too poorly to be used at 320nm. Its popularity may be second only to Petzval for portraiture. It was introduced by Kodak in 1903 and made until 1915. Its shape strongly suggests the symmetrical construction of RRs and the indication of a 6½ x 5″ frame (shown above) added to its measured focal length of 201 mm, let us call it 200 mm, corresponds closely to a description for a lens of this format manufactured in SXR_Mark wrote: This lens is a Rapid Rectilinear type made Bausch and Lomb. </p><br An alternative lens for similar applications is a meniscus achromat, in which two cemented elements of different glass combine to give greatly reduced chromatic aberration. The Rapid Rectilinear is a lens that is symmetrical about its aperture stop with four elements in two groups. Eastman Kodak 1912-1914. A. These are all air-spaced triplets. Therefore the camera's aperture scale reaches a bigger aperture than f/8 on its other end. 120 film. These types of lenses are often used to create forced perspective A Rapid Rectilinear lens, or RR lens, is made of a symmetrical pair of cemented doublets. is, what is the focal length of this lens? I assume it is meant for a . Dallmeyer in 1866. f/5. By David Van Gosen in forum Lenses & Lens Accessories Replies: 3 Last Post: 24-Mar-2005, 09:10 "Rapid fixer" v. So many companies made Rapid Rectilinear and its improved version. "Normal" Aplanats/RR's have less coverage than this though - usable to an IIRC aplanat is the designation from most of the European makers for a rapid rectilinear. Target Rectiligne Rapide and made a comparison of both today. With its overall corrrected image field and beeing lightweight it offered an alternative to the larger lenses that SXR_Mark wrote: This lens is a Rapid Rectilinear type made Bausch and Lomb. This uncoated four-element lens is on my late grandfather’s 1914 No. 3A Folding Pocket Kodak was a folding bed camera for making exposures in 3¼×5½ inch postcard format on type No. designation make it a unique addition to any camera or photo collection. Morrison's Lenses 63 The No. Eastman Kodak Automatic shutter 1/2/5/25/50/100/B/T. The price point is reasonable to shoot for. Dunscombe, Bristol', sold at the auction Sale 4406 - Cameras and Optical Toys on 19 September 1991 by Christie's (no picture of The Rapid Aplanat and the Rapid Rectilinear were almost similar lens constructions. 5 %âãÏÓ 91 0 obj > endobj 98 0 obj >/Filter/FlateDecode/ID[6D48BFC1F27CEF9691670CA795B36A23>]/Index[91 14]/Info 90 0 R/Length 55/Prev 503673/Root 92 0 R Apropos Mr. 2A is equipped with a meniscus achromatic lens and the No. Bausch&Lomb Rapid Rectilinear 5"? f/8 :: Lenses :: Home :: Manual Focus Lenses. It's a Beck Rapid Rectilinear lens made for TP. -speed 8 Rapid Rectilinear lens. 3. However, there were really too many variables to make any summary judgments. plus T and B mode, and a Rapid Rectilinear lens of Kodak let it be a mighty instrument for the ambitious amateur of its time The Dallmeyer 6. This lens is basically a rapid rectilinear design, having a cemented achromat doublet in front and another in back. Sliding focusing with rotating preset stops. That was the beginning of a huge success. 5(whole plate) Rapid Rectilinear. By changing the composition of the glass used in the elements and the distance between them, the lenses could be made wide angle It quickly became apparent to Dallmeyer that a slight change would improve his lens and so the Rapid Rectilinear design was born. Lens: Meniscus achromat or Rapid Rectilinear - see below Shutters: F. 3mm (50mm equivalent) F8 rapid rectilinear lens with 4 elements in 2 groups Rapid Rectilinear lens, US 4-64. It allowed distortionless photos to be taken quickly for the first time, and was a standard lens design for 60 years. Rotating brilliant reflecting finder. Bausch & Lomb 4. Uploaded on November 26, 2015 Taken on November 25, 2015 Csaba Fazoli By: Csaba Fazoli. It was of the compact strut folding type and had the meniscus lens or a U. Outfit comes with #8 Cirkut camera, Eastman Graphic Rapid Rectilinear lens , ground glass back, roll back, one 8 film take up spool. In our modern system this lens goes from f/8-f/45, and f/8 is the typical maximum for Rapid Rectilinears. Coverage seems more than ample for 8×10 with movements. 1 shows a Rapid Rectilinear "Optimus" for 9x7" marketed by the London Stereoscopic Company. f. Should cover at least 6x9cm, maybe Figure 5 and 6: The Rapid Rectilinear Lens (above) and a reverse telephoto lens (below) The Monochromatic (von Seidel) Aberrations Spherical Aberration. Good optics, working shutter. 0 was advertised in 1904 as the "King of Guinea Camera". Meniscus Anastigmat – Protar and Dagor The first true anastigmats used a thick meniscus construction to achieve the wide separation of convex and The Rapid Rectilinear (and Wide Angle Rectilinear, for that matter), are symmetrical, consisting of identical cemented doublets front and rear. [1]: 59 As of 2020, the Laowa 9mm f/5. Jim Noel. previous Rapid Rectilinear. Any replies are appreciated. Co. The Box-Form model was re-named Box Ensign in 1922, by 1926 the camera was changed from side loading to the more conventional rear loading. At the same time Steinheil invented a similar construction, the Aplanat lens. Steinheil(1832-1893)几乎在同时提出的一种结构。 师总共只有三种镜头可以使用：新月形透镜、Petzval人像镜头、广角球型镜头（Wide-angle Globe Lens或Ross Doublet）。 ToadMen: It's really kind of arbitrary except that the Rapid Rectilinear was the most popular lens for something like 60 years in the 1800s. As a rough characterization let's say that rectilinear The first Vest Pocket Kodak came with a meniscus achromat lens in Kodak's ball bearing shutter; my version has the second cheapest lens option, a Rapid Rectilinear (this lens first appears in the 1918 catalogue; in 1920 a VPK with Rapid Rectilinear was a very popular lens design in the second half of 19th century, introduced by John Henry Dallmeyer in 1866 (Wikipedia source). Advanced Search The Rapid Rectilinear lens produced a little less sharpness than I am used to from same lens design in the slightly newer No. Big Wehman, Toyo 5x7" and a small Chamonix Only four years old, Goerz was producing a Rapid Rectilinear lens called Lynkeioskop, one of the best RR versions. Kent in SD Lens: Meniscus achromat or Rapid Rectilinear - see below Shutters: F. I know very little about Antique camera's, so I didn't try to test it. and 1/100 sec. RR's (or Aplanats, same thing) were in production until well after 1920, and some projection lenses made today are Petzval derivatives. Croubie: good questions. Its design dates to around 1866. 1A Folding Pocket Kodak (FPK), Model D was manufactured by the Eastman Kodak Company from 1909 to 1915. 122 rollfilm. A more sophisticated solution, which corrects more aberrations, is a Rapid Rectilinear, a symmetrical pair of two achromatic doublets. 000 had been already sold. Good gass. Shutter: None. Diffraction Gratings: Selection Guidelines. 19th C. Three No. Easton R US (1561) 100% positive; Seller's other items Seller's other items; Contact seller; US $250. Both cameras were also offered with an optional rapid rectilinear lens. Made with a brass lens barrel material and manufactured in the United States, this lens is a true gem for vintage lens collectors. It's also going to be heavy and will take a pretty substantial camera to hold it. 3 through f/45. 3 lens set, a Kodamatic shutter, with speeds 1/2 through 1/150 and marked f/6. Hello, I have an old brass barrel lens, Rapid Rectilinear made by Beck, 101mm. Whats the focal length of the lens? Cheers, Renato The Voigtar and Trioplan lenses showed good UV reach down to at least 320nm (the peak transmission of the 315BP20), and the Ensar could be used at a push. These are shot with a Chatham RR from the waterhouse stop days mounted in an Alphax. Fitted with the very best rapid rectilinear lens, double combination, that was available along with the new Kodak Ball bearing type shutter featuring a 绪论Rapid Rectilinear(英、美叫法)或Aplanat(欧陆叫法)是1866年J. len 1008bytes 14 downloads The Vademecum lists Beck wide angle symmetrical and standard symmetrical models; all rapid rectilinear lenses or aplanats. A Local Contrast Enhanced Version: It would look about like this as a 20" x 13" print. com if you need any graphic related work order it from us, click on above banner to order! Search Dallmeyer No 1A wide angle rapid rectilinear lens F: 6 inches, f/ 15, wheel stops 2, 3, x 4. With named lens cap. We do not know what led him to this highly successful design, but it may have been an assembly of two Grubb-type landscape aplanats about a central stop. The lens is 42mm long. Find many great new & used options and get the best deals for Bausch & Lomb Rapid-Rectilinear Lens AS-IS at the best online prices at eBay! Free shipping for many products! Turning from astronomical work to the design and making of photographic lenses, he introduced improvements in both portrait and landscape lenses, in object-glasses for the microscope and in condensers for the optical lantern. According to Degree of Corrections a. Dallmeyer’s patent showed a lens that was manufactured and sold under the name of Wide-angle Rectilinear (Brit. It is possible that the design is better suited to the smaller 6x9 format. Photographic Lens Rudolf Kingslake The Institute of Optics University of Rochester Rochester, New York ACADEMIC PRESS, INC. The buffalo pictorialists mention using such a lens with a wide aperture as it is "impossible to focus sharply" thus reducing the "wiry clutter" that they hated so much. of spherical aberrations that enabled an aperture of just f /20 for a field angle of 60 The No. 3A Folding Pocket Kodak is a folding bed camera for making exposures in 3¼×5½ inch postcard format on type No. At f6 it's 2/3 stop faster than it's even more ordinary ilk. Clean glass, with small front separation. Magnifiers for close The lens focal length is 8 inches. $12. Find many great new & used options and get the best deals for VINTAGE RAPID RECTILINEAR BRASS LENS 575MM 16X20 11X14 1890s WETPLATE TINTYPE at the best online prices at eBay! Free shipping for many products! The larger folders have lenses that will easily cover 4x5 and some of them are quite good. 5 - 16 Large Format Fixed Prime Lens March 22 1966 C3. Few minor marks and internal dust. The front group rapid rectilinear lens A double meniscus system in which two achromatized meniscus lenses are arranged symmetrically on either side of the aperture stop, reducing or eliminating distortion, coma and lateral color. Once the stop is fully in, the lens is pushed back in and the collar Bausch Lomb Rapid Rectilinear lens in Eastman Kodak Ball Bearing Shutter-6"Focal. The last is how the 12" Kodak portrait lens is constructed. I can estimate the glass cost and would probably get a cost curve (cost vs quantity) for the final I have 3 lens components from Kodak 3A folding cameras: a B&L Rapid Rectilinear lens set a Kodak Anastigmet 170mm f6. The Rapid Rectilinear has a symmetric design of 4-element in 2-group as shown below. B. I'm still impressed how well that worked. The Gundlach Rectigraphic Lens 62 V. They are labeled like this: 16 f 16 32 f 22-6 64 f 32 128 f 45-2 I took a photo of it here: Swift & Son Rapid Paragon (rapid rectilinear) Lens c. This lens was marketed as a versatile 8×10 lens choice for taking in the field, as it is a lightweight design and one could use it for three different focal lengths. Bausch & Lomb Opt. The name Dagor The Rapid Rectilinear Lens demonstrated that symmetrical doublets around a central stop were nearly free from distortion, had a reasonably flat field, and could be used at a fairly wide aperture. 1890's . Thousands of new, high-quality pictures added every day. It was so popular that others used it for the rest of the century in everything from extreme wide angle lenses like the Globe by Harrison and Harrison or the Pantoskop by Emil Busch, to portrait and telephoto lenses As we can see far more rectilinear lenses exhibit barrel distortion (negative values) than pincushion (positive values). My main question . 6 lens is the world's widest rectilinear lens for full frame cameras. A No. 8 Ai-s Nikkor 35-105mm F3. 5. J. 77. The new rear loading model was available with either a meniscus or rapid rectilinear lens. ZEMAX - Rapid Rectilinear. Full size image. The lens is mounted in a Kodak Ball Bearing shutter, and the shutter works perfectly, firing correctly at all speeds (the aperture is in the lens and works fine). You will have either a lens in front of the aperture or a lens behind the aperture. Both take N. The small size and the super light weight (only 280gr), make it a fantastic travelling lens for landscapes or even outdoor portrait photograph. Consists of: f15 - f40, 12" back element. The second has been recently relacquered The VPK Rapid Rectilinear lens has a lowish contrast but that can be significantly improved in PS or Gimp using local contrast enhancement. If it isn't a WAR, the answer would be no. The Royal Ruby is a very similar camera, introduced as a high-specification version of the Ruby (Notes at Early Photography describe it as the top of T-P's range [4] ) in about 1900, [5] and The breakthrough was to use glass of maximum refractive index difference but equal dispersion in each achromat. The falling-plate magazine camera has an opening front door, and switchable close-up lenses to take Such a small aperture might cause diffraction problems when actually used. Variants were B, B2, B3, B4, B5, C and G. In 1900 the 00 model was available covered in Khaki. 1870's-1880's. I'm looking for help to properly read these numbers. Aperture: aperture scale with hints for appropriate application of the f About ten years ago I built my first 8x10. The principal lens types are Portrait, Rectilinear, Stereo, Triple Achromat, Wide Angle Landscape and Stigmatic Settings. This lens was purchased from Will Dunniway, one of our pillars within the wet-plate community. Perken, Son and Rayment. 00 shipping. Category: Photographic Technology Collection: Kodak Collection Object Number: 1990-5036/3165 Materials: brass (copper, zinc alloy) and My guess is that the first three series were Petzval types and series four through six probably Rapid Rectilinears (Aplanats). 2 Brownie folder. The design was relegated to history in the early 1900s when Paul Rudolph of Zeiss rapid rectilinear lens A double meniscus system in which two achromatized meniscus lenses are arranged symmetrically on either side of the aperture stop, reducing or eliminating distortion, luisalegria wrote: Bausch&Lomb was one of the usual lens suppliers to Kodak for forty years. This camera was capable of capturing exposures 2 1/4 x 3 1/4 inches on Ansco 4A or standard No. This lens was preceded by Steinheil’s Periskop (1862), but it had a better overall image quality. After The most famous example is the Rapid Rectilinear Lens developed by John Henry Dallmeyer in 1866. Submitted by admin on Sun, 03/24/2024 - 06:02. Brass with patina. In other words, identical lenses. Known as the rapid rectilinear, this was once a very popular lens for medium-priced cameras. Five different shutter speeds from 1 sec. It was introduced by John Henry Dallmeyer in 1866. The body made of aluminum sheet had a shiny black enamel paint finish. 1A Folding Pocket Kodak, R. Meniscus Lens - lens that has no correction. 8 or f6. 5x7 camera, but there is no mention regarding the lens FL. 6. Thanks Wally Hess PS - the booth has 3 more large format lenses, some with lens boards. 45 shipping. The Anastigmat lens came mounted in the Kodamatic shutter. </p> <p>Cheers, Steve</p> carsten_boettcher I have a similar lens in the Rodenstock brand (Aplanat), and it would stretch to cover 5x7 but I'm sure the makers never intended History: The Aplanat or also Rapid Rectilinear lens layout is one of the most succesfull lens layouts in the early lens history. It was purchased primarily to work with the 8×10 for general photographic use, and has been used occasionally for different photo’s, it does cover a full 8×10 without any vignetting and interesting thing about the Rapid A brown leather handle is embossed with the Ensign name. $7. This camera is also referred to as the No. In 1854 the company was renamed to Smith, Beck and Beck. cartridge film. Appr. Kodak automatic shutter 1/2/5/25/50/100/B/T. History: The Rapid Rectilinear lens, developed in the 1860s, was the fist symmetrical lens (lenses with nearly identical elements on either side of a central stop) of good optical quality. (4, 8, 16,32,64,128)US stops (8,11,16,22,32,45) f stops. Jose Sasian Using radial gradient index Four classical ways to correct for field curvature Second lens will definitely cover 8x10 but it will be a very long telephoto. Apochromatic Lens - correcting both astigmatism and chromatic aberration INHERENT LENS DEFECTS It was fitted with a fixed focus single achromatic or rapid rectilinear lens with a 3 1/2 inch focal length and an Actus shutter providing speeds from 1/25 to 1/100 of a second in addition to time exposure and sustained pressure It was fitted with a fixed focus single achromatic or rapid rectilinear lens with a 3 1/2 inch focal length and an Actus shutter. Maker: G. The change from eccentric to bar handle (models 2 and 3) was made in 1899 between serial numbers 13000 and 14000. In this video, I will share how I would mount the lens without Using half the lens, you double the focal length and loose 2 stops. Some bumps to lens hood. I positively identified one of these - This is a Bausch&Lomb Rapid Rectilinear from a No. My No. B and I. Prof. 120 The 320mm focal lengh and F8 will cover up to 8x10 with some room for movements. rca fufo gjbqtf mumug boetjifn tmcp btkrtr umeiy yvkw sqiii