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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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2
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1answer
31 views

Are there any adapters for using EF lenses on FD mount?

I know there are various teleconverters and extensions rings that allow for the use of FD lenses on EF bodies. However I'm looking for an adapter that lets me use EF lenses on an FD mount. Of course I ...
0
votes
1answer
26 views

F-mount to EOS adapter from Nikon to Canon [duplicate]

I bought a Canon EOS 500N body (EF mount) and I want to also buy a Nikon N65 (F mount) camera. The question is if with this adapter I can use a lens for both cameras? maybe you have some similar ...
0
votes
1answer
73 views

Can I adapt a Minolta AF-mount Tamron zoom lens for use on a Canon or Nikon DSLR?

I have a Tamron Minolta AF 28-300mm f/3.5-6.3 LD aspherical macro lens, which I would like to use on a Canon EOS 600D or Nikon D5200 DSLR. The lens was used on a film SLR Minolta camera. Is there an ...
0
votes
1answer
49 views

How do I identify the lens mount for this old lens which says “for Canon”?

I'm trying to find the correct lens mount or adapter to use with my canon t3i.
0
votes
2answers
580 views

What Nikon cameras is a Sigma AF-k lens compatible with?

I was recently given a Sigma AF-k lens and told it was Nikon compatible. I am trying to get a better handle of what the AF-k stands for. I have both a Nikon F4s and a D5100 that I use and not ...
0
votes
1answer
409 views

“Lens not attached” appearing whenever I try to use my Nikkor 70-300mm?

I've had my Nikon D5000 for about two years now. It has never failed me! I have only two lenses, the standard 18-55mm lens and a 70-300mm lens I received about two years ago. I've never had a problem ...
1
vote
2answers
1k views

How good are the EF-mount to E-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 ...
5
votes
3answers
5k views

Why isn't it safe to use EF-S lenses on fullframe?

I've heard that EF-S lenses are not compatible with full frame bodies and that using such lenses could damage the mirror. Are the EF-S lenses not compatible with full frame bodies in terms of "not ...
0
votes
1answer
37 views

Nikon D3200 - quality loss with stock lens and with old lenses?

I know that you can use an adapter to mount various old lenses on D3200, but would I lose quality by doing so? I even read something that said that the default VR2 lens delivers 3 times as poor ...
1
vote
1answer
52 views

Which lenses can use with my Sony A-mount body when using mount-adapters and what are the disadvantages of such adapters?

I own a Sony A77 APS-C SLT A-mount camera. For someone who likes to experiment and is on a budget, mount adapters are tempting, since they greatly expand the catalog of available lenses and open up ...
4
votes
2answers
10k views
18
votes
6answers
1k views

Where can I find the maximum lens weight for my camera?

Where can I find information about maximum allowed lens weight for my camera? I'm asking because I have an opportunity to get an old Soviet-built 80-200mm lens for my Nikon D3100 for a very ...
17
votes
4answers
1k 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 ...
1
vote
3answers
1k 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
997 views

Will lenses with filter attachment size 58mm fit my camera when the kit lens has filter size 72 mm?

I need help - I want to buy 50mm f/1.8 for my Nikon d300. The description of the lens says Filter Attachment Size 58mm. My kit lens is filter size 72 mm. Is 58mm is the right size lens for my ...
0
votes
0answers
48 views

Albinar's compatibility with Canon t5

So I have an Albinar ADG 28-80mm lens, that I have acquired, and I was wondering what mount adapter would be required for it to work on either the Canon EOS Rebel T1i or T5, I have both. Thanks!
0
votes
1answer
87 views

What type of lens mount is this Som Berthiot?

I bought this som berthiot 20mm f1.9 lens assuming it was a c-mount but it is much smaller with an elongated screw mount. Can't figure out what type of mount this could be. Here it is compared to ...
4
votes
2answers
121 views

What is the 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 ...
8
votes
2answers
337 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 ...
7
votes
3answers
1k views

What are the advantages of metal mount vs plastic mount?

I have come across many reviews of lenses, in which reviewer will stress on the point that this lens has a metal mount. I am yet to buy a lens with metal mount, but what are the advantages of having a ...
0
votes
2answers
596 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 ...
2
votes
3answers
2k 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 ...
2
votes
1answer
138 views

Nikon D3200 lens flange has undocumented Button or lever

There is a button or lever located on the outside of the mounting ring, on the shutter release button side, lower quadrant of the ring. Mounted lenses, AF or AI do not make contact with this lever or ...
1
vote
1answer
49 views

Will a Soligor 35-70mm C/FD fit on my Canon AT-1? Or do I need a specific lens mount?

I tried to click it on the usual way but it didn't work. Do I need to buy a specific lens mount? The person who sold me the lens said it worked with his Canon A-1 but perhaps he had a lens mount with ...
1
vote
4answers
966 views

What exactly is focal length when there is also flange focal distance?

If focal length is the measure between the rear element and the sensor then how can you have different flange focal distances? Is the focal length not literally the measure between the rear element ...
1
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3answers
742 views

Is it possible to use the lenses from a Canon Xl1 on a modern DSLR?

I have a Canon XL1 interchangeable lens video camera. Can I use an adaptor to use its lenses with a DSLR or an SLR? I know about it using a smaller sensor and that it is closer to the sensor (as in Is ...
0
votes
3answers
519 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
1k 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
120 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 ...
1
vote
1answer
266 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
181 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 ...
1
vote
5answers
940 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
1k 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
143 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 ...
3
votes
1answer
100 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
122 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
160 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 ...
3
votes
2answers
215 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
8k 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
500 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
317 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
247 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
3k 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
93 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
393 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
159 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
159 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
vote
2answers
148 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
215 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 ...