Find the right mount for robotics and … It shows the Flange Focal Distance (FFD) of the 35 mm Apo-Grandagon in Copal shutter to be 43. Whether you’re a professional videographer or cinematographer, understanding … <p>Hi,<br /> <br /> I'm new to large format lenses and cameras that use them. The SUPER ANGULONS are avai lable in an … Which camera is best to use this long lens? I am so interested in shooting with long and/or tele lenses and according to my research this is the lens for my focal lenght and budget … Pekka Buttler, (Updated 5/2025) The Fujifilm X mount is the lens mount used by Fujifilm for its series of APS-C mirrorless cameras and should not be mistaken for the Fujica X mount (that … Lens mount, flange focal length and back focal distance Lens mount, flange focal length and back focal distance of a lens In most cases, industrial MV cameras use the C-mount connection for mounting the lenses. 526 mm. 4mm Flange focal distance ‰ 97. 4 mm threaded mount with a back flange distance (often referred to as a flange focal distance or simply flange distance) of 17. It was developed by Nikon and is used on 35mm (43. In the case of lenses, the FFD is measured from the lens' flange surface (Figures 1. I have come across the term "flange focal distace" in some of the lense specification … <p>Yes, the Flange (focal) Distance is the distance from the front of the lensboard (or back of the shutter) to the ground glass when the lens is focused on infinity. What about when you have a telephoto lens of say 800mm … There seems to be more to choosing a lense for a large format camera than there is in 35mm. Flange to lens end distance (b). 48K subscribers Subscribe They don't have to be the same and for lenses of normal construction flange-focal distance is always shorter than the lens' focal length. 3 - 38. If the difference is … "Film 2 Flange" is the film to flange distance for the lens. Above: Sensors are getting bigger in size … Re: Thoughts on the Nikkor T 360/500/720 set? Focal length is the distance from the rear node to the film plane when the lens is focused at infinity. www. Usually large format lenses … This question is not about telephoto or retrofocus designs, but about "standard" Large Format lenses. You need to consult the lens datasheet. What about when you have a … Measuring Flange Focal Distance Measurements of flange focal distance are given for both lenses and cameras. Band Pro Film & Digital is the exclusive worldwide distributor of IB/E Raptors. Are you instead looking for a distance from a reference feature on the lens to the image plane? Typically back focal length (from vertex of last optical … The "accuracy of the focus" is more a matter of the lens you're using and how well you or the AF system focus the image. Papi, most, … Divide the maximum extension by the lens' focal length. Flange distance or flange focal distance is the distance from the mounting shoulder to the … It's the only 450mm lens in a #1 shutter and is really tiny for it's focal length. W Nikkor-W Series lenses provide maxi- mum resolution and brilliance over a range from … Large Format Lens Structure and how to Measure Flange Focal Distance The lenses you will be using on the Kraken 612, large format lenses, are constructed differently from the lenses you use on your SLR or the ones … Flange attachment size Flange focal distance ‰ 97. For example, a Hasselblad X medium format camera has a flange distance of 18. 1 and 1. = 353 mm] Schneider-Kreuznach Tele Arton, the image nodal point N'=H' is floating in air 63 mm in front of the first lens vertex and the flange focal distance, … UPDATED: March 27, 2020 / ORIGINAL: March 18, 2016 Flange Focal Distance – also known as Flange Distance or Flange Depth – is the distance from the … Guide to Understanding Flange … 67 x 0. 2) to … I found some lens specs from several years ago that list the 150 Nikkor-W as having a flange focal distance of about 147mm. Front node to subject distance is the … How do I calculate the flange focal length of a lens for a given distance? Example: At infinity, the G-Claron 355mm f9 has a Flange Focal Distance (distance from back of the shutter to film … Large Format lenses illuminate a very wide circle: not only larger than a typical digital sensor, larger than the typical digital camera ! When a lens produces a giant image, the interior of the camera is flooded with light, … NIKKOR-W: THE FINEST ALL PURPOSE LARGE FORMAT LENS WE'VE EVER PRODUCED. The 360's flange focal distance is 261 mm so at infinity the rear … Hello there, just a quick question. … Each lens-shutter pair was marked with the lens' measured focal length (38. Where is the focal flange distance measured from? Is it from the shutter or the lens board? Sorry I'm sure this question has been asked many times before. It varies for each lens. 3mm) SLR photography cameras. 6/58 XL - ¡¡0° Image circle diameter ¡66 mm If, despite the large field of view of a wide-angle lens, the upper part of the building is cut off when the … The Flange Focal Distance is the distance from the mounting flange to the image sensor in a camera, and it determines the compatibility of different lenses with different cameras, with a lens's flange distance … The Z system’s large lens mount features a 55mm inner diameter and short 16mm flange focal distance which allow for flexibility in the optical design of NIKKOR Z lenses: with … sironar-N 150 mm with my cambo wide camera. Where is the focal flange distance measured from? Is it from the shutter or the lens board? Sorry I'm sure this question has been asked … Flange focal distance sounds complicated, but it just the distance between the film or sensor and the lens mount. Adequate clearance is crucial for enabling unrestricted view camera movements and achieving infinity … The key stat here is "flange focal distance", which is the distance from the flange of the lens to the film plane, and ranges from 99. May i know what is the rear focal distance … If the flange distance is shorter than the focal length, the principal point is in front of the standard. Lens manufacturers give as part of the specifications the distance that the lens board will be from the film plane when the lens is focused at infinity. Measure extension from the front standard's position when the lens is focused at infinity. 5 10590 10591 For the meaning of the abbreviations in the heading of the standard and macro-lenses, see the drawing at left The flange focal distance s'A … Don't forget that the FA and HD are different in this respect - maximum flange-to-film distance for the HD is 249mm, while the FA can add another 23mm with the rear extension feature, which … Hi - does anyone know where to track down the flange focal distance for Zeiss old LF film lenses? I'm thinking specifically of the 2nd Generation 135mm Planar LF lens, the one … This is a little different from a recent post. This is the distance from the back of the shutter (which is typically the same as the front of the … In an interchangeable lens camera system, the term flange focal distance (often also called the back flange distance, register distance, and several other terms) refers to the distance between the reference … The sum of the two lengths has to give the necessary distance between the cells, but one cell can be set a little more, the other a little less, deep in the shutter. The image … The flange focal length is the distance from the rear plate of the shutter (the part that mounts against the lens board) to the film plane. com www. The distance from … The Secret (almost) to Adapting ANY Camera Lens: Flange Focal Distance Explained Adam Welch - Photographist 6. The flange focal distance is of more concern to lens designers, as the lens needs to be designed to … If the Back Focus of a lens is 5” what is the Focal Length? I’m stumped! Focal length is the distance from the lens rear nodal plane (or point) to the film plane when the lens is focused at … I always thought the phrase meant the distance from the film to the lens when focused at infinity, with the measurement on the lens being taken off the flange which holds it to the lens board. 6-Mar-2001, 20:49 Kevin Crisp Flange focal distance I always thought the phrase … I always thought the phrase meant the distance from the film to the lens when focused at infinity, with the measurement on the lens being taken off the flange which holds it to the lens board. According to the this brochure, … NIKKOR-W: THE FINEST ALL PURPOSE LARGE FORMAT LENS WE'VE EVER PRODUCED. Will your lens fit your sensor? Easily compare lens coverage between cameras & your preferred lens with the CVP Lens Coverage Tool. Flange focal distance is … The F-Mount standard is a bayonet-style mount common with line scan cameras and large format cameras. It is, however, very important for determining whether a lens can be adapted to another … Format 9x¡2 cm (shiftet) Super-Angulon 5. As already answered, you use the focal length … The standard formula for distance to the subject is: S2 = 1/ (1/F - 1/S1), where S2 = subject distance, F = focal length, and S2 = film distance or extension. 8 to 116. In this article you will learn everything you need to know about the flange focal distance and how it impacts lens compatibility. This … Cooke XVa triple convertible flange distance I was just looking over the spec sheet on this fine lens, interested mainly in the flange focus distance. Nikkor-W Series lenses provide maxi- mum resolution and brilliance over a range from 100mm … PentaxForums. 0mm <p>The data sheets for large format lenses usually show target focal length, location of the principle planes, flange focal length, etc. ) To use a regular non-telephoto … NIKKOR-W: THE FINEST ALL PURPOSE LARGE FORMAT LENS WE'VE EVER PRODUCED. So, what would happen if your lens FFD were off by …. An old Calumet catalog from about 2000-2001 lists … The M-Componon is a special-purpose large format macro lens, designed for greater than 1:1 reproduction. L. This is a page of data on the lens flange distance and image coverage of various stills and movie lens systems. The F-Mount standard … What is Flange Focal Distance? The Flange Focal Distance is the distance between a camera lens mount and the film plane or image sensor. I was recently searching the web for some lens info and noticed on one page that I can no longer find, that the lens table in question had flange focal distances quoted for Copal … LENS DATA AND USABLE LENS LISTSCHNEIDER LENS If you are new to large format photography and looking for a wide angle lens, use this quick overview to help you pick the right lens for you. com Weight (kg) 100, 150, 180: 1. I have come across the term "flange focal distace" in some of the le nse specification … There seems to be more to choosing a lense for a large format camera than there is in 35mm. Compare thread sizes, flange focal distances, sensor coverage, and adapter compatibility. ibe-optics. 9mm. com → Film Cameras and Workflow → Film SLRs and Compact Film Cameras → Pentax 67 flange focal distance What you're asking is the "Flange Focal Length" (FFL) or "Flange Focal Distance" (FFD). The lenses are intended for use with 6×9 cm, 4×5 inch, and 5×7 inch formats. </p> <p>Re focal length in general, there … This lens do not have any ring on it for adjusting the focal length like what other 35mm lens do, hence this lens has a fixed focal length of 210mm. 4 mm. The FFL is the distance from the … That is roughly the same as the flange focal distance (FFD) from a PL mount lens to the image plane of your camera. 14mm, which is 8. … In my 360 [actual F. Flange-focal distance is strongly affected by mechanical design, has little to do with focal length. 9 kg Close Focus Magnification: 1:1 … Hello there, just a quick question. Engineering guide to M12 lenses (S-mount), CS-mount lens, and C-mount lens specifications. 5/1. Each lens-shutter pair had a shim, with the shim's thickness in … Hi - does anyone know where to track down the flange focal distance for Zeiss old LF film lenses? I'm thinking specifically of the 2nd Generation 135mm Planar LF lens, the one with 67mm front … Nikkor T-ED 500mm F/11 Flange Focal Distance = 350mm (I need to verify this to make sure it works in real life and not just on paper based on specs. I want to shoot portraits from the waist … Camera systems with a large flange-to-film distance have lenses that can be widely adapted, while those with a small flange-to-film distance can take adaptors for many types of lenses. I want to build a simple 4x5 fixed-focus box camera using a 127mm lens salvaged from a Polaroid 110. There is a back focus distance, which is as one focal length measured from the rear … Hello friends, ask everyone! What is the flange focal length of the Schneider Tele Arion 270/5. For very … 90mmF8 Focal length Maximum aperture ratio Minimum aperture Lens construction Covering power (f,'8) Covering power (f,'22) Image circle (t;8) Image circle (1:22) Shutter Shutter speed … They are also unconstrained by the need to always match a system’s flange focal distance (the distance to every lens must be from the film plane when focused at infinity), as well as other … Mirrorless cameras with shorter flange distances may allow more lens choices. According to the this brochure, the 210mm Rodenstock APO Sironar S has a "flange … Each lens-shutter pair was marked with the lens' measured focal length (38. Take a large piece of white board, point the lens out the window at a distant object. bandpro. Calculate lens' front node to subject distance as f* (m + 1)/m. … Louis Jensen Flange focal distance Flange focal length is the bellows extension when focused on infinity. The prices were those given in the source lists, and different source lists are differentiated by a numeral under "YR" (year). 75 95 x ¡ 86 x ¡ ¡12 x ¡. Should I build it so that the film … Looking for the right lens for your camera application? Our lens calculator will help you narrow down the right specifications for a lens. It aims to provide information on the viability of adapting lenses from one system … The flange focal distance is a fixed mechanical specification of … You'll need to choose a large format lens with a greater amount of clearance than the flange focal distance of the digital camera. Optics: focal length versus flange focal distance ? This question is not about telephoto or retrofocus designs, but about "standard" Large Format lenses. 5 lens? thank！ It also helps with light drop off over the field. Move the board towards and away from the back of the lens till it casts a sharp image of a distant object … A lens needs to not only be mechanically compatible with the mount type; it also must have the same flange distance as the camera. 8 mm) and flange-focal distance. The issue I am running into is that a typical DSLR lens has a short (~42mm) flange focal distance (back focal length). 56mm … Hi - does anyone know where to track down the flange focal distance for Zeiss old LF film lenses? I'm thinking specifically of the 2nd Generation 135mm Planar LF lens, the one with 67mm front … Data sheets for large format lenses contain this number. John Sexton uses one and recommends it over the much larger 450mm Nikkor for 4x5 use. Clearance is necessary to allow room for view camera … The flange focal distance of a lens (or camera) is the distance between the lens mount and the focal plane (the plane of the film or camera sensor). <br> Which shutter do you have? The large Flange Focal Distance of most dSLR lenses, makes it simple to find an E-Mount adapter for almost any vintage 35mm lens. Each lens-shutter pair had a shim, with the shim's … The SCHNEIDER SUPER ANGULON is a special purpose ultra wide angle taking lens for medium and large format photo graphy. A lens needs to be at a specific distance in order to focus … The Z system’s large lens mount features a 55mm inner diameter and short 16mm flange focal distance which allow for flexibility in the optical design of NIKKOR Z lenses: with … Flange Focal Distance (FFD) is exactly what the name implies: the distance (usually expressed in millimeters) from the front of the flange on a particular lens body mount to the plane of focus, … For my application, I require a very large distance between the last lens and my image plane. This ratio is magnification + 1. W Nikkor-W Series lenses provide maxi- mum resolution and brilliance over a range from … C-mount is a camera standard that defines a 25. For medium format lens boards, this number is the flange focal distance of the lens board’s mount. Actually, I will try to use Schneider Apo-Digitar lenses (with Copal 0 shutter) on a bellow … The standard formula for distance to the subject is: S2 = 1/ (1/F - 1/S1), where S2 = subject distance, F = focal length, and S2 = film distance or extension. 90mmF8 Focal length Maximum aperture ratio Minimum aperture Lens construction Covering power (f,'8) Covering power (f,'22) Image circle (t;8) Image circle (1:22) Shutter Shutter speed … When choosing a large format lens, make sure it has more clearance than the flange focal distance of your digital camera. If the flange distance is longer than the focal length, the principal point is in back … Effective Focal Length, or EFL = 90mm. Unfortunately, the flange distance for the 8/90 Super Angulon mounted in the Compur 00 … Back focal distance of large format camera Cameras don't have focal lengths, lenses do. 9/2. Different lens manufacturer have different flange focal distance so if your camera has a fixed distance from your lens panel (ie … I'm going to build my own large format camera with a fixed focus, but what I want to do is calculate how long I should make it based on a couple of things. … The flange distance given for this lens in the Compur 0 shutter is given as 99. 2 mm.
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