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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.

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0
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3answers
45 views

Difference between Minolta MC and MD mounts and can they be used on AF camera?

I am looking at some older lenses for sale. There are a lot of Minolta MC and MD mount lenses out there. Can they be used on an AF mount body at all (as a fully manual lens)? Will either of the MC ...
1
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3answers
164 views

How to know if a Canon lens is compatible with my Nikon camera body?

I am looking at this Canon 50mm lens for my Nikon D5200. How can I be sure that this lens will fit on my Nikon D5200? The camera manual does not have a list of lenses that are compatible with the ...
1
vote
1answer
57 views

Replacing a Lens Mount

Before the whole 'It's been answered before!' comments roll in I want to say I'm not talking about the mount on the lens I'm talking about the mount on the BODY of the camera. I've been searching ...
4
votes
1answer
63 views

maximum aperture consistent with the nikon F mount

In a related thread, it's been debated whether there is a hard limitation to maximum possible lens aperture ; it seems there is none. However, using the example of the nikon F mount, this technical ...
1
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1answer
151 views

Canon lenses with Sony A7r

I am thinking about switching from 5DMIII to Sony A7r. In terms of lenses, I have Canon EF lenses (16-35, 50, 70-200), and a Tamron 24-70 VC. Will the electronics of those lenses work with the ...
3
votes
1answer
144 views

Is there a comprehensive list of available (possible) adapters between different lens mounts?

When buying old dirt cheap lenses for use in modern cameras with the help from adapters, the flange focal distance is always limiting factor. The article about flange focal distance lists the ...
4
votes
1answer
186 views

In what way does the lens mount limit the maximum possible aperture of a lens?

In many answers to questions about different aspects of really large aperture lenses it's pointed out that the lens mount sets a hard limit on the maximum possible aperture of the lenses to that ...
1
vote
5answers
568 views

Can I use Olympus OM lenses on a Pentax DSLR?

I have some Olypus lenses that were used with my OM20 camera that I would like to use on my Pentax K-r camera. Is this possible, and what would I need to do it?
0
votes
2answers
309 views

Mounting Sigma 70-300mm 1:4-5.6 APO Macro Super on Nikon D3200

I have been given a Sigma 70-300mm 1:4-5.6 APO Macro Super lens and I want to fit it to my D3200. The problem is that the mount on the bottom of the Sigma lens is too big for the D3200 lens mount and ...
0
votes
2answers
269 views

Can I connect a new Olympus lens to my Nikon camera?

I have a Nikon D3200 and I want to buy another lens for portrait photography... The lens I want to buy is a Olympus not Nikkor, would it fit my camera or would i need like a lens adapter? And is there ...
1
vote
1answer
120 views

Camera bodies with a EF-S mount [duplicate]

Might be a dupplicate, but I don't think it is... Looking here : Comparaison of a Canon 1200D and a Nikon 3100 I've seen that the Canon 1200D has a mount type called "Canon EF-S". I know that you ...
0
votes
2answers
181 views

How good are the E-mount to EF-mount adapters?

I currently live in the Canon ecosystem, but really like the look of the Sony a7S. But before I switch I want to know just how well I'll be able use use my old EF-mount lenses on my new a7S. How well ...
3
votes
1answer
85 views

Are there any official specifications regarding the torque for camera mounts?

I've been wondering why I've never seen any official specifications of the maximum allowed torque that can be exerted upon lens mounts. It seems to me like a very useful specification, but I can't ...
1
vote
0answers
88 views

Widest angle lens with Speedbooster and Blackmagic Cinema Camera [closed]

What is the widest angle and rectilinear (no fisheyes) lens usable with Speedbooster and Blackmagic Cinema Camera? For those not in the know, Speedbooster both reduces a crop factor and increases the ...
2
votes
1answer
123 views

What are the pros and cons of the two Sony mounts — E and A?

As someone who uses an NEX, I'd like to understand the background of the E- and A- mounts, where Sony is coming from, and to what ends each of these mounts was designed for, and what they do or not do ...
1
vote
2answers
437 views

Is there a way to adjust the aperture of a Nikon lens without a camera or physical aperture ring?

If I have a camera that does not have any electronic connection to the lens, is there any way to adjust the aperture on the lens if it does not have a physical aperture ring? We're using a scientific ...
2
votes
2answers
128 views

How do I separate a stuck Nikon 400mm f/2.8 AF-S (non-VR) lens from a D800E body?

I purchased a factory refurbished 400mm f/2.8 AF-S (non-VR) lens a year ago from Nikon USA. Two major malfunctions happened. To me, both seem to be related to a little metal lever inside the lens's ...
6
votes
4answers
6k views

Can I use Minolta Maxxum lenses with Sony Alpha cameras?

I have an old Minolta Maxxum 7000i AF-SLR camera from early 90s. I have a complete set of lenses, filters, etc., I found out that Sony ultimately ended up buying Minolta, and developing their alpha ...
1
vote
2answers
178 views

How can I mount an EF-M lens on an EF-S camera?

How can I mount an EF-M lens (22mm, for example) on my Canon Rebel T4i EOS EF-S?
1
vote
2answers
210 views

Can I use a FD lens + extender with Canon EOS mount?

I have a Sigma 400 mm FD lens which comes with an FD to EOS (EF) adapter. Is it possible for me to attach an extender to it. May be a 2X FD extender and then attach the FD to EOS (EF) adapter. Is ...
2
votes
3answers
193 views

Can an SLR Mounting rim made of metal gather rust?

Has anyone encountered rust on SLR Mounting rim? Not those pins or marks, but the metallic rim which is to match with SLR lenses. I suppose both mounting rims from body and lense are of same ...
3
votes
1answer
2k views

How do I troubleshoot a Nikon D3000 'lens not attached' problem?

Recently my Nikon d3000 started the 'lens not attached' error. I have two lenses, neither of which work. I tried the lenses in another camera body, and they work fine. I have cleaned the contact ...
3
votes
1answer
84 views

What are the downsides of converting FD(n) lenses to EF mount?

Are there any downsides of converting an old FD(n) lens to the EF by means of actually replacing the mount with a EdMika or similar? The lens will become a manual focus and manual aperture control ...
1
vote
3answers
249 views

What kind of mount does this Chinon 70-210mm AF Zoon lens have?

I have an old Chinon lens which I want to mount on my Nikon DSLR. I know there are some adapters on the market, but I can't figure out which mount my CHINON has. In the "specialist shop" they told my ...
2
votes
3answers
147 views

Why are there no DSLR cameras with protective curtains for lens exchange?

Reading this thread I got to think of why there are no DSLR bodies with protective curtain that extends (and by doing that spans over the entire mount) while changing lenses and then retract ...
2
votes
1answer
126 views

Is it expected for the Nikon D5100 and Sigma 150-500mm mounting to be very tight?

I have a query regarding the Sigma 150-500 mounting on a Nikon D5100. I have got my Sigma 150-500mm today.... I am feeling that the lens is very tight to mount on my D5100. Is this expected?? I have ...
1
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2answers
140 views

Can I use these old lenses from DVT vision systems on modern cameras?

I have a bunch of old Tamron lenses (12mm, 25mm, 50mm, 75mm, etc) that were used on old vision systems (DVT Cameras). These systems are now obsolete and the cameras / lenses are being disposed of. Is ...
3
votes
1answer
147 views

Which terms accurately describe the lens mount on a Canon 7?

I've gotten a used Canon Model 7 rangefinder camera from my grandfather. I'm given to understand that it's a reasonably cool old camera, and the 50mm/1.4 lens isn't too shabby either. I am ...
4
votes
1answer
311 views

Is it possible to control aperture when using a mount-adapter?

While I'm interested in a mirrorless camera, either MFT or X mount, I'd like to adapt some of my extensive collection of SLR lenses to one such camera. While I know it will defeat some of the ...
11
votes
2answers
995 views

Removing rust from a lens's mount?

My wife gave me a used Pentax 50mm f/1.7 SMC-M for my birthday. (I know some people get Leica 50mm f/0.95 Noctiluxes for their birthdays, but, y'know, kids to take care of and so on. And it's a very ...
2
votes
1answer
135 views

What is the throat diameter of the Argus SLR Bayonet Mount?

Does anybody know the throat diameter of Argus SLR bayonet mount? I know its flange focal distance (register) is 44.45mm, but I don't know the diameter of the mount. Specifically, I'm interested to ...
2
votes
3answers
1k views

Can I use a Pentax lens on a Canon body?

I have a SMC Pentax-M 50mm 1:2 prime lens and a Pentax MC auto 28mm 1:2.8 from my dad. I have been looking at two film cameras lately, the Pentax MG and the Canon AE-1. If I buy the Pentax MG I know I ...
3
votes
2answers
136 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
206 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
340 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
142 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?
17
votes
4answers
887 views

Is it dangerous to do a lens change with power on?

I have just accidentally changed my lens over with the power on. In the manual it lists this as something you shouldn't do as a 'caution' . Can this cause damage? If so, what and how will I tell? (I ...
0
votes
1answer
404 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
1k 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 ...
14
votes
5answers
3k 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
282 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
141 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
629 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 ...
28
votes
9answers
56k 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
3answers
401 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
4k 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
385 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
707 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 ...