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A lens mount is an interface, mechanical and often also electrical, between a photographic camera body and a lens. It is confined to cameras where the body allows interchangeable lenses.

learn more… | top users | synonyms

3
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2answers
173 views

What does fixed EXIF mean?

I'm buying a lens adapter for my new Minolta AF 500mm reflex lens and one that I have found specifically states that the EXIF is fixed at 50mm F1.4. I'm not sure what this means for my photos in the ...
1
vote
2answers
287 views

Nikkor lenses: is there any means to know if a lense mount is in metal or plastic

In general, cheap Nikkor lenses mount is in plastic (like the 18-55 provided in some bundles) and many others are in metal. I tried to find the documentation of some lense but on the Nikon page it ...
2
votes
3answers
510 views

Can old film lenses like Tamron be used with modern DSLRs?

I have a Canon EOS 600D Digital SLR and would like to use an old Tamron 70-210mm lens for a film Contax camera on the new camera. Is this possible with an adapter?
0
votes
2answers
167 views

Nikon lens adaptor for Sigma f/4.5 70-210mm

Someone gave me a Sigma f/4.5 70-210 lens and it won't fit my Nikon D3200. Does anyone know what lens adapter I need?
0
votes
1answer
600 views

Will a “Sigma AF Telephoto 1:5.6 f=400mm Multi-Coated Lens Japan for Canon AF 072” work with Canon EF mount?

Just have a quick question, recently purchased a cheap Canon 1DMK2 but until then I have exclusively used Sony DLSRs so I am not familiar with Canon mounts/lenses. I have been looking on eBay for a ...
3
votes
3answers
2k views

Can the lenses of a Canon EOS film camera be used on a digital one?

I have lenses from a Canon EOS rebel Xs film camera: 28-80mm f/4-5.6 II (diameter 58mm) and a Sigma 100-300mm f/4.5-6.7. I am thinking to buy a Canon Digital 40D and use these lenses. Will those ...
6
votes
3answers
2k views

How does a short flange back distance improve image quality?

In the description for the new lens mount for their X-Pro series, Fujifilm says: 1: Specifically designed to maximize the mirrorless design of the body, the X-Mount has a short flange back ...
15
votes
5answers
4k views

What's the difference between the Canon and Nikon lenses mounts?

I was wondering what, if any, are the technical differences between the two mounting systems. Does one auto focus faster? Can one hold more weight? Things along those lines that make them different. ...
2
votes
2answers
487 views

What lens will fit a Canon 10D?

I got a Canon 10D from a friend, the camera doesn't have any lens so I've been trying to find lens for it online. The problem is that I'm no expert in photography, and very unsure of what lens would ...
0
votes
1answer
174 views

What lens adapter do I need to use a Marexar lens on a Canon EOS camera?

I have a Marexar CX zoom lens no.8407598 and am looking for an adaptor to fit it to a Canon EOS 1100D camera. What do I need?
1
vote
1answer
728 views

Which adapter do I need to mount a vintage Marexar-CX Lens to Nikon D3100?

I have purchased a vintage MAREXAR-CX Zoom, MACRO lens, Multi-Coated 1:4.5-4.8 F=80-250mm 58 No 90686. It says is a Minolta fitting lens, made in Japan. I would like to try it out with my Nikon ...
29
votes
9answers
67k views

What is the difference between EF and EF-S lenses?

This is specific to Canon, but what is the difference between EF and EF-S lenses?
3
votes
2answers
452 views

Is a small amount of play on the Fujifilm X-E1 mount normal?

I have a brand new Fuji X-E1 with the 18-55 zoom. The lens has the barest amount of play once mounted, rotating back and forth less than a half millimeter if I twist it firmly. I've had old Nikon film ...
20
votes
4answers
5k views

Are there drawbacks when using Panasonic lenses on Olympus Micro Four Thirds cameras?

I'm interested in trying out Olympus' new OM-D E-M5, and since I'm used to using a normal prime (and just spent some time using one on Fujifilm's new mirrorless EVF camera), I'd like to try that ...
5
votes
5answers
1k views

Could an old Nikkor-P lens damage a DSLR?

Someone was interested in buying my D3000 body (I had upgraded and want to keep the lenses). He had a very old Nikkor-P lens, which seemed to fit onto my camera alright. But the LCD screen said "lens ...
-3
votes
2answers
467 views

What are the clues to look at regarding how long Canon's EF/EF-S lens mount might be current? [closed]

I'm interested in buying a new lens for my Canon but am concerned the lens mount might be discontinued soon. The EF-S lens mount was invented in 2003, and the EF mount in 1987 (wikipedia). Electronics ...
1
vote
2answers
788 views

Name of contact pins of Canon mount and where to buy it?

I want to convert my Canon lens into a macro lens. I really need the contact pins to customize the ring so the aperture will work. But I can't find it anywhere. Does somebody know the name of this ...
2
votes
1answer
212 views

Aperture value appears as '- -' in Olympus E410

I have just started using manual focus and prime lenses with my Olympus E410 (four-thirds). Intermittently, the aperture value is invisible, both through the viewfinder and in the LCD display. ...
2
votes
2answers
306 views

Is there a quiet, affordable Nikon F mount camera (for timelapse)?

I'm planning to set up a long-running timelapse system to capture the view from my new office building. The problem is, other people work near me, and I don't want to disturb them with camera sounds ...
4
votes
1answer
241 views

What is the reason to change the mount type in Nikon 1 series?

To use Nikon F-mount lenses, Nikon 1 series require an adapter. Moreover, the flash unit mount is a custom one too and it seems that there is no adapter at all, but maybe I'm wrong. What is the ...
1
vote
3answers
1k views

Why no aperture control with Nikon 55mm f/2.8 AI-s on Nikon D3200

It was pretty exciting to borrow my dad's old Nikon 55mm f/2.8 AI-s and try it on my Nikon D3200. I have to use it in full manual mode, but it gets great results! Amazing how a lens designed in 1979 ...
13
votes
4answers
727 views

Does Canon make an L series lens with a plastic lens mount?

An online retailer is telling me that Canon 24-105 f4L lens comes in two versions, the USA model with a steel lens mount and an import with a plastic lens mount. Is this true?
0
votes
2answers
89 views

Will a Nikkor AF-S 70-300mm f/4.5-5.6 G IF-ED VR lens work on my Sony A900?

I have a Sony A900 that I want to use with Nikkor AF-S 70-300mm f/4.5-5.6 G IF-ED VR. Does this lens come with a Sony mount? I do not want to have to use an adapter.
4
votes
4answers
1k views

Can M42 lenses be mounted on Canon EF-S (with adapter)?

I have a Canon XTi (EF-S lens mount). Can I get an adapter to mount a Pentax M42 lens? If so, do I lose any functionality?
5
votes
2answers
884 views

How loose can the lens mount be?

I've noticed that there is a little give in my camera system at the EF mount. It is really hard to see, but I can feel it sometimes and first noticed it when I had the lens attached to a monopod and ...
0
votes
1answer
2k views

Is there an adapter for a Sigma SA mount lens to fit a Canon EF mount?

I have a Sigma 24mm ultra-wide lens; does anyone know of an adaptor that will make this lens fit my Canon 1V camera?
2
votes
2answers
458 views

Can I use a Nikon S Mount adapter for a Contax RF Mount lens?

I have a 135mm Zeiss Jena lens with a Contax RF mount which I would like to use on my Fuji X-E1 camera. There are adapters for Contax, combo adapters and adapters for Nikon S. The Contax adapters are ...
1
vote
1answer
2k views

Which lens-mount adapter do I need to buy to use a Sigma lens on a Nikon body? [closed]

I am a beginner and have been given a Sigma zoom 28-80mm f/3.5-5.0 macro lens. I would like to try this before paying out for a more expensive macro lens but it will not fit my Nikon D5000. Could any ...
10
votes
3answers
16k views

Will lenses from a Rebel work on higher-model Canon cameras?

I am thinking about purchasing a Canon 60D and selling my Rebel XT and wondered if I would need to purchase new lenses? I only have two but as you all know, once you invest it is hard to not take ...
6
votes
2answers
805 views

Are there any decent telescopes for around $250 that I can mount my Canon 60D to?

I am looking to buy a telescope for about $250, are there any at that price range that can be mounted on a Canon body?
4
votes
1answer
714 views

Is this Canon 70-200 F/2.8 IS II strap/sling attachment safe?

I received my 70-200 F/2.8 IS II today (YAY) and I knew it had a tripod ring, but I thought it also had camera strap attachment points on the tripod ring like some other heavy lenses do, but this one ...
6
votes
2answers
148 views

Can I intercept and interpret the autofocus signals sent to the lens?

I would like to use a Nikon D80 body with a reflecting telescope as the lens to take pictures of bright/textured objects in the night sky (e.g. the moon). The D80 has autofocus capabilities; the ...
0
votes
1answer
536 views

Lens not attached message on nikon d5000 with nikon 24-70mm

I recently bought a Nikon 24-70mm for my D5000, but I soon had the "lens not attached" message on my screen. The message disappears when I slightly rotate the lens a bit more. I've searched online ...
1
vote
1answer
244 views

What lens and mount is this Sigma lens for Canon?

I have recently been given old(ish) Sigma 55-200mm lens for Canon (not EF mount), I believe that it is f/4-5.6. It is zoomed by pulling the barrel out. What mount is it? And what specifications does ...
5
votes
3answers
442 views

Why do camera manufacturers use different lens mounts?

If all manufacturers used the same mounts for their cameras then they could share lenses and focus more on improving optics, sensor technology and accessories instead of having completely separate ...
4
votes
3answers
423 views

Are fully automatic DSLR lens changers available? What are suitable alternatives?

Do portable fully automated DSLR lens-changers exist? If so, how well do they work and how do they compare with alternative solutions. I've seen many "lens bags" offered to ease the lens ...
1
vote
3answers
1k views

How to mount a 58mm lens on Nikon D80?

I have a Nikon D80 50mm camera with a 52mm Haze filter. I would like to attach some 58mm lenses that I have but not sure which adapters I need. The 58mm lenses have male threads that would attach to ...
4
votes
2answers
761 views

Can I use my existing Canon lenses on an EF-M camera body?

Canon recently introduced the Canon EOS M, mirrorless interchangeable lens camera. It uses a new EF-M mount and is available as a kit with an EF-M lens in some regions. I have existing EF and EF-S ...
10
votes
2answers
473 views

Are there new digital cameras that my old zoom lenses from my analog Yashica camera will fit?

I have an old analog camera (Yashica) with a bayonet lock and several zoom lenses for it. All of that was very high quality at the time and I would like to re-use it for a digital camera. Are any such ...
1
vote
1answer
742 views

Olympus T2 Adapter ring stuck on my Sony Alpha — how can I get it unstuck?

Edited. I bought a Samyang 500mm Mirror lens off ebay so that i could try and expirement with tele photos before i decided to buy really expensive lenses.. I got the lens with a T2 Adapter (Olympus) ...
3
votes
1answer
267 views

What adapter do I need to mount a Konica lens on an Olympus E-520?

I bought a Konica Super Albinar MC auto zoom 1:4.5 F=80-200 mm no. 911485 55 lens for my E-520 Olympus camera. The adapter I already have does not fit and I desperately need to know what kind of ...
4
votes
2answers
4k views

Does using a lens adapter change focal length?

Does using a lens adapter change the field of view? I recently bought a Sony NEX-5, an extra Minolta MD 50mm 1.7/f lens and a MD to E-mount adapter and I was wondering, as the adapter increases the ...
4
votes
1answer
3k views

Can I use the lens from Canon AE-1 on a Canon EOS 60D, with an adaptor maybe?

I have a Canon AE-1 (film) and I bought a digital slr camera Canon EOS 60D. I have lenses from the AE-1 camera, but I don't know if there are some adaptors to use so they fit in the 60D camera... any ...
9
votes
3answers
12k views

Are Canon EOS and Nikon DSLR lenses interchangeable?

Can we use the lenses from, say a Canon EOS 550D kit (Canon EF-S 18-55mm) with a Nikon DSLR D5000 for example) ? Also, is the reverse possible ? I'm looking at interchangeability between recent DSLR ...
9
votes
2answers
4k views

What are the electrical contacts in a Nikon F-mount?

Current Nikon camera bodies and lenses have electrical contacts. What exactly are they used for and what sorts of electrical signalling is used? Why are there so many? Some background to my ...
5
votes
1answer
2k views

How do I remove a broken lens mount ring from a lens?

Today my Nikon d90 was drop with attached Nikkor 18-200mm lens. The lens detached from the body and ripped of the metal ring with screws from the body. How can I fix it? I don't know how to remove the ...
14
votes
1answer
251 views

What lens design limits derive from the width of the lens mount?

I'm familiar with the lens design limitations imposed by the flange-to-focal-plane distance. But what constraints are caused by the width of the lens mount (that is, the size of the hole in the ...
3
votes
1answer
2k views

Can I use an old Olympus-mount lens on a Canon DSLR?

What is the mount adapter I need to mount a Vivitar 28mm 1:2 No.22 (made by Kino, aka Kiron) lens on my Canon 600D? Is it the T/T2 lens mount? I used to mount this lens on my dad's Olympus OM-10. ...
1
vote
1answer
986 views

Which mount adaptor do I need to mount an old Tokina FL/FD lens on a Canon 30D?

I have an old Tokina Fully Automatic Lens 400mm F-6.3 lens. Says on a small label: "To fit C/FD Canon FL and FD lens series" I have a Canon 30D. Which is the right mount adaptor to use? Best if ...
10
votes
1answer
473 views

How do I identify unknown thread mounts?

A local thrift store is selling a macro bellows with thread (screw) mounts. The mount is not identified. I have a cheap digital caliper. What are the likely mounts that it could be, and how can I ...