Hello, does anyone know if there is an online resource anywhere that gives you the 35mm equivalent focal length for medium format lenses when mounted on a 6x4.5, 6x6 and 6x7 camera? 52.5mm* equivalent, sorry. 'Equivalent' 35 mm format (24x36 mm) focal lengths By Q.G. It costs you nothing, and is this site's, and thus my family's, biggest source of support. In this video, I want to show you why you need a 35mm equivalent lens. David Photographers new to medium format often want to know what the equivalent lens would be on a 35mm camera. So I decided I wanted a GSW690III (one with the 65mm lens.) … Then I got the FA 43 and a Konica S2 film rangefinder with a fixed 45mm lens. What I am wondering though, is if the same 90 mm lens, on the 6x7, will also be equivalent to a 55mm lens as well, or if it will be different. Fuji 23mm f1.4 is the same as a 35mm on a full frame. If you’re interested in medium format cameras, Henning’s results suggest that you can get within 10% of the figures for 35mm cameras using good lenses (i.e. Math for figuring out 35mm lenses to Mamiya lenses Started Jan 11, 2013 ... however you will need to apply the conversion factor to give you the equivalent DOF. Just for an indication, to think about possible lenses: If you assume to crop the K-1 picture to 7:6-Format, to achieve the 6x7 90mm lens field-of-view on a K-1, you need a focal length of … I support my growing family through this website, as crazy as it might seem.. From what I have read this is too short of a focal length for 6x7 and a 90mm focal length would be optimum, especially if printing large. A medium format Pentax 6x7 and 75mm lens (equivalent to a 35mm lens on a full frame DSLR or 35mm film camera) was used to capture this image of Union Pacific's big steam locomotives in the Cheyenne, Wyoming roundhouse. The only question now is whether any 6x7 lenses can do anything better than a smaller, lighter, and now dirt cheap original FD lens can do. Personally, I wouldn't go out and get 6x7 lenses with the intent of putting them on my DSLR. 35 mm equivalent focal lengths are calculated by multiplying the actual focal length of the lens by the crop factor of the sensor. Imagine shooting at 300mm on a MF camera and then the same scene on the 35mm equivalent at 100mm. I'm least certain about #3. 35mm film is indeed a cropped rendition of a 6x7 neg. The lens is physically f4, so I'll get the same exposure times as a K-mount f4. Area Covered 8.5 x 10.6" / 217 x 270mm. (All focal lengths mentioned are 35mm film camera equivalent.) We are buried beneath the weight of information, which is being confused with knowledge; quantity is being confused with abundance and wealth with happiness. However, if you use the same 80mm lens on your medium format camera and do not want a square image but plan to crop it with an 3:2 aspect ratio, you need an 50 mm equivalent focal length for the 35mm film format. They are fantastic lenses for the most part, but very expensive compared to similar 35mm based lenses. Lens HoodScrew-inDimensions (L x W)4.7 … A "normal" lens for a 35mm piece of film is 50mm while for 6x7 format piece of film requires a 90mm lens roughly. The FOV will be equivalent to a 47.5mm lens on 35mm, and yet the 35mm lens won’t work as such on that format because it’s not designed for it. If both 180mm lenses are set to f/5.6 - the depth of field are the same as well - provided the distance to the subject is the same. A rough guide to recalculating focal length to a 35mm equivalent is to divide by 2: so the 45mm super-wide is a 22mm in the 35mm world; and the 1000mm super-tele is a 500mm. A very frequently asked question is one about the 35 mm format focal length equivalent of the lenses used on Hasselblad's 6x6 format. Math for figuring out 35mm lenses to Mamiya lenses Started Jan 11, 2013 ... however you will need to apply the conversion factor to give you the equivalent DOF. Equivalent to 87mm in 35mm format. There still seems to be some confusion about focal lengths and effective fields of view (FOV) for cameras with various sensor sizes. As you might know, the larger the film frame size, the larger your lens has to be to get the equivalent "angle of view" or amount of coverage. SMC PENTAX 67 FISH-EYE 35mm F4 5 Lens Akiba Global Market. Loading... Unsubscribe from Akiba Global Market? Very few on Ebay and I have found no used 90mm on retail sites. I like 85-100mm in 35mm, 150mm in 6x6 or 6x7 and 210mm in 4x5. (50mm X 1.5 = 75mm) So, in this example, the 35mm focal length equivalent for the 50mm lens would be 75mm. For this, I used a 23mm f1.4. The adapter is more for people who already have the lenses, and want to use them. The same focal length gives the same perspective if both cameras are placed the same distance from the subject and the same focal length lens is used. The 35mm image has a lens that resolves around 30mega Pixels over that 35mm surface. The 67 lens resolves about 80MP over the 67 format. The Mamiya 7 or Hasselblad lenses). Then I used the 35mm on 35mm film, and realized I like it better than the narrower view, especially after shooting a 50mm lens on film too. Filter Size77mm. I understand that a 67 lens on my 6x7 is halved and the ratio of … But we’re all different in our preferences. I also have the 150 and 200, and find I tend to use the 150 for portraits. Maximum Magnification Ratio 0.26X. If you wanted to know the 35mm equivalent of a 50mm lens used on a digital camera with an APS-C size image sensor, you would just multiply the 50mm focal length by 1.5. Diaphragm Automatic . I have been recently putting my 67 lenses on the 645 (film) via a K&F Concept adapter (see images below). April 27, 2018 at 4:35 pm. The K5 would use the center portion of the image ... don't have to worry about any additional crop factor. Your 85mm lens on your Nikon full frame may give a very similar magnification as your 180mm Mamiya lens, but the depth of field will be twice as deep for the Nikon lens than it is with the 180mm Mamiya lens. Am I understanding this correctly? So while a 50mm lens is considered standard by many for the 35mm format, with a 6x7 camera you would most likely use a 90mm lens. Apr 03, 2018. One thing I have noticed in portrait work is that I don’t just scale up from 35mm film equivalent focal lengths when shooting portraits. Bottom line is that you can shoot good MF portraits with the 'standard' lens whether that be 75mm (6x5.5), 80mm (6x6) or 90mm (6x7). This site says .79 crop, too - Fujifilm GFX Crop Factor and GF Lens 35mm Full Frame Equivalent Focal Lengths Another way of thinking about it - My 55mm lens would give me an 35mm equivalence of about 44mm on a GFX. The Mamiya 7 II is a medium format 6x7cm rangefinder camera with interchangeable leaf shutter lenses. It seems getting close to the subject is part of lporrel's desired look. It is also interesting to note that a 50mm lens is based on a 2” lens which is a hint longer in focal length. On 35mm, this angle equates to a lens of 27.27mm focal length so you can consider it similar to a 28mm lens on 35mm . *At 55mm x 70mm, the 6x7 film frame is double the dimensions of 35mm film (24mmx36mm) in both width and height, making for a whopping 400% more film area. For a further explanation of this and related factors, see here. A lens’s focal length is measured in millimeters, an inherit property of a lens that determines the field of view it can capture. Damn, I wish you people learn to understand the context before saying completely irrelevant and inaccurate things. It is "The Ultimate 6x7 Rangefinder", virtually no bigger than the top 35mm SLRs. This gives up to 125lpmm for colour slide film and for Adox CMS you can get up to 210lpmm. The biggest help is when you use any of these links when you get anything, regardless of the country in which you live. Used 6x7 lenses are relatively inexpensive. Calculation. The longer the focal length, the less significant the 10%. 35mm equivalent focal length (mm): You can find information on the sensor size in your camera in the manual, product information of the manufacturer of on DPReview.com . Fujifilm X lens 35mm equivalence. Help me help you top. Somebody says. 645-format 35mm Lens Equivalent Focal Length Chart 14 May 2009 . Another example: 40mm MF lens ÷ 2 = 20mm + 10%: 2mm = 22mm. While there many pitfalls trying to adapt lenses to other mounts, in this case you should be good. Photography; Equivalence is a way to compare a final exposure of lenses across different sensor formats. Using the second method which fits the paper better anyway changes the situation making 90mm the equivalent focal length of a 50mm lens on a 35mm camera. Optical Construction4 elements/3 groups. 180mm f/4.5 Specifications. Hope this helps. Lens FOV 94° 20 mm (35 mm format equivalent) f/2.8 ISO Range 100-3200 (video) 100-1600 (photo) Electronic Shutter Speed 8 – 1/8000 s Image Size 4000×3000 Still Photography Modes Single Shot Burst Shooting: 3/5/7 frames Auto Exposure Bracketing (AEB): 3/5 bracketed frames at 0.7 EV Bias Timelapse Video Recording Modes 2.7K: 2704 x1520p 24/25/30 (29.97) FHD: 1920x1080p 24/25/30 HD: … Your 85mm lens on your Nikon full frame may give a very similar magnification as your 180mm Mamiya lens, but the depth of field will be twice as deep for the Nikon lens than it is with the 180mm Mamiya lens. ... [•] Pentax Takumar 6X7 Lens Talk - … Kudos to your wikiresearch, but you’re not helping anyone. Add 10%: 2.5mm = 27.5mm So a 50mm 6×6 lens is roughly equivalent to a 28mm lens on a 35mm SLR. The problem I am running into is the lack of quality (Rodenstock/El Nikkor) 90mm lenses available for sale. You will lose DOF with a 6x7, not gain. And since the 6x7 to M42 adapter did likewise for Spotmatic owners, everything works. You will lose DOF with a 6x7, not gain. And slowly but surely, I got to really like the 43mm angle of view. de Bakker. On a 67 camera it would be a 35mm equivalence of about 28mm. Minimum Focusing Distance3’ 7.7" / 1.11m. … I started with ~50mm equivalent (35mm for apsc). Quiet, compact and lightweight, the Mamiya 7 II has a built-in Aperture Priority A/E meter with fully manual exposure capability. So a 1000mm lens on an MF camera gives approximately the same angle of view as a 500mm lens on a 35mm camera. All a 90mm lens does for the 35mm camera is fill the frame a lot more to avoid quality loss when shooting at the ideal distance for a pleasing perspective. I'll get the same field of view as any other 300mm K-mount (450mm equivalent in 35mm terms). Angle of View28°Minimum. If you were to work out the resolution on 6x7 film you would get the following was (about) equivalent to a 55mm lens on a 35mm camera, and that the 65mm lens was equivalent to a 28mm lens. It’s equivalent to an 18mm lens in full-frame 35mm terms, so it’s a fisheye lens and the images taken with it have a lot of deformation but I love it anyway! It is often asked, perhaps because there is no single answer. Mine is not the “W” version, but it’s the same. Using the long side angle of view the figure is 0.56. So moving from 6x7 to a GFX would be the 1.6 crop factor you were also quoted (ie 44 divided by 28). More information on the how an why of the Lens Multiplication Factor (also referred to as 'Crop Factor') can be found on Wikipedia Equivalent Focal Length for 35mm 87mm. You need a 35 mm lens for a 35mm camera (because you have an 24 mm x 24 mm image instead of 56 mm x 56 mm, this yields a factor of 3/7). Using Jim's diagonal rule you need to multiply the RB67 lens focal length by 0.48 to get the 35mm equivalent. You're correct Sir You mean field or angle of view, not perspective. The 180mm focal length is determining factor. 10:32AM, 15 August 2010 PDT Mr.Bones says: For 6x4.5 and 6x6 the factor is 1.6 For 6x7 … It is currently setup for 35mm with a 50mm lens. Aperture45. Here's a table for the APS-C sensor in my Canon 30D (15mm x 22.5mm).
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