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Questions tagged [lens-mount]

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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48 views

Why doesn't the EF-S to EF-M converter act as an extension tube? [duplicate]

By adding an extension between the camera and the lens, in this case a converter so I can use EF lenses on my Canon M50, you would think any lens would focus closer but it doesn't. Why is that? :/
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62 views

Is this lens for a Minolta mount?

I am pretty sure I bought this on eBay but it was five years ago. I'm planning on adapting it to my Micro Four Thirds camera, and suspect it is a Minolta Rokkor. Here is an imgur gallery with more ...
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1answer
96 views

Why is the Canon-mount Sigma 24mm F1.4 DG HSM Art sharper in the corner in DxOMark's ratings than Nikon-mount version?

Why is the Sigma 24mm F1.4 DG HSM A lens corner sharpness much better in the Canon version than the Nikon's, according to DxOMark's ratings? Canon: https://www.dxomark.com/Lenses/Sigma/Sigma-24mm-...
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3answers
91 views

How exactly is “flange” defined in the term ''flange distance"

The concept of a flange distance is something I understand on a theoretical level, but not so much on a practical level. It is debatably the most important measurement in the camera, determining the ...
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4answers
254 views

Why are all the mirrorless full-frame 35mm f/1.4 lenses so big?

The Sony FE, Nikon Z and Canon R mounts all have flange distances shorter than the Leica M mount, yet Leica has the compact Summilux 35m f/1.4 design whereas the above's comparably speced lenses are ...
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4answers
1k views

Does a large mount diameter really allow design advantages for large aperture lenses?

To keep the conversation simple, please focus only on native lens design for the mount. So with the recent Nikon mirrorless announcement, Nikon has been touting the bigger mount. I am no expert in ...
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0answers
93 views

Canon FD mount specs

I have Canon AE-1 Program and I like to play with 3D printers. So I thought I'd experiment with 3D printed lens and lens adapters. I would like to start with simple pinhole, but I can't find any ...
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1answer
72 views

Can I adapt an E-mount rectilinear lens on a micro four thirds body?

I use the Olympus micro four thirds (MFT) system. One of the problems with this is that there are no shift lenses for this format, so taking landscape photos with buildings is problematic. I can kind ...
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1answer
128 views

Advantages of Canon-style lens contact pins

I've wondered about this for some time. There are essentially two way the electric pins frm the camera body to the lens can be configured: either pointing forward like in the Canon bodies, or pointing ...
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1answer
51 views

What is the flange focal distance of CS mount lenses? Is it 12.500 mm or 12.526 mm?

I've searched online a lot, and found plenty of sites that quote both numbers. There appears to be agreement that the C-mount flange focal distance (FFD) is 17.526 mm (exactly 0.69 inches). The CS-...
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2answers
433 views

Which is the better lens for nikon d3300. Is it 50mm FX 1.8G or 35mm DX 1.8G

I am really confused whether to buy Nikon 35mm DX f/1.8 lens or 50mm FX f/1.8 lens for my Nikon D3300 camera, because of its 1.5 crop factor. I know that if I use a 50mm FX lens on my camera, it will ...
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1answer
297 views

Does anyone recognize this manual lens mount with three flanges and a single linking pin?

I bought this Vivitar lens cheap and I'm having trouble identifying the mount. I believe it's a Version 4 Serial number is 22128668
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4answers
180 views

help!! Err on Nikon Df while traveling in Ecuador

I see "Err" on top display after turning the camera on. it clicks but no images are stored. i've seen this error before once or twice but it always went away after i switched the camera on/off and ...
1
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1answer
129 views

Which kinds of lenses can be mounted on or adapted to the Leica M-Mount?

I'm confused by the choice of adapters offered for Leica M cameras. Now obviously Leica M mount lenses can be mounted, but I have also seen the M39 screw mount being mentioned a lot. I guess they are ...
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1answer
90 views

What lens mount does my Fujinon135 f/3.5 lens have?

What lens mount does this lens have? Also how cheap/easy would it be to buy/make an adapter to adapt this lens to Canon EF mount? in case you can't read it, it says EBC X-FUJINON-T and 1:3.5 f=135mm ...
1
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1answer
268 views

Can I mount a Nikon 50 mm f1.8 series E pancake lens on an Nikon D7000?

Hello I have a Nikon D7000. I would like to know if I can mount a Nikon 50mm f/1.8 Series E old manual lens on this body? Will the meter system work with it? I also have a Vivitar Series One 70mm-...
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1answer
131 views

How can I mount this Vivitar (Canon mount) lens to a Sony Alpha 58?

This Vivitar Series 1 lens (no. 22148842) has a mount for an older Canon film camera. I need an adaptor to fit this lens to a Sony Alpha 58 camera. Does such an adapter exist?
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2answers
536 views

How can I remove a stuck lens from camera body (after I dropped them)?

My camera fell and my 70-300 Tamron lens hit the floor first and after that I can't remove the lens from its body. I think some parts of the lens cracked and it got stuck. How do I fix this? Can I fix ...
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2answers
380 views

What camera fits this a Osawa MC 1:4.5 f=80~205mm lens?

I found a lens and I was wondering what camera fits it? Does it fit a canon 1300? & also how can I tell if it works or not? (If that’s possible) (As I found it on the ground). I don’t have a ...
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2answers
308 views

Are there strong visual clues as to whether a vintage lens is, or is compatible with, Nikon F mount?

I have a Nikon d7100, lens mount type F. I sometimes happen to be at a vintage / second hand market where there are some lenses that I'd like to try. I know autofocus and aperture might not work. ...
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2answers
242 views

What is the mount on this Vivitar 85-205mm F3.8 lens?

I recently purchased an old manual Vivitar Lense (10$!) to play with and cannot identify the mount. I just hacked a plastic body cap and put it on my Canon 450D (EF mount) and cannot get infinity ...
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2answers
198 views

Can I damage my camera's lens mount by lifting it with a super-tele lens attached? [duplicate]

I have been taking the D850 with the Sigma 150-600 (1.9kg) for a walk in the wild. Normally I use the strap on the lens to carry the camera hanging from my shoulder. I realized that in many ...
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2answers
214 views

Where can I find a mechanical drawing of the Canon EF Mount?

This is my first question-post. First of all my final goal is to build a simple but functional objective. I was inspired by this video: DIY Camera Lens (I don't hope to make something so neat the ...
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2answers
464 views

Is there an adapter for Fuji X mount cameras for canon ef-s lenses that allow autofocus and metering?

I have a canon 700D, and I'm contemplating buying a second hand Fuji X-T1. But I have invested in a Sigma 18-35 F/1.8 and am very happy with it. Is there an adapter for the EF-S mount lens that will ...
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2answers
345 views

How can I mount a non-AI lens on a Nikon F4?

I can't figure out how I am supposed to mount a non-AI lens on a Nikon F4. I have read the instructions on MIR, but I can't figure out what they mean exactly. Remember to lift the meter coupling ...
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1answer
64 views

Can a camera correct chromatic aberration if I add additional wide angle or macro mount?

Now I'm using Canon 50mm prime lens with my Canon 700d.I need to capture a group of 100 people indoor and in low light.There is not enough space that I can move backward to cover everyone within the ...
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3answers
289 views

What adapter do I need to mount lenses for Chinon CM-5 on my Canon EOS 1100D?

I possess a Canon EOS 1100D and I'd like to use some old lenses that were used on a non-digital Chinon CM-5. One of these lenses is Tamron, but with the same size of the Chinon ones. Do you know where ...
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2answers
879 views

How do I fix the problem on my Nikon D3400 saying “lens not attached” for a Vivitar series 1 500 mm manual Telephoto lens?

I just bought a Nikon D3400 and it came with a kit including the Vivitar* (series 1) 500mm f/8 telephoto lens. I expected it to attach and work immediately, but the t mount adapter* for the lens ...
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0answers
45 views

M12 cut IR filter quality?

I want to get a few quality filters for M12 type dash camera from China, however I know nothing about filters so need someone to tell me how/what to order? Is the barrel on M12 lenses the same ...
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1answer
138 views

Strange lens mount

I recently bought, second-hand and for a few euros, the following: adapter Exakta to Sony e-mount an Exakta 100-500mm 1:5.6-8 MC Macro lens, made in Japan Strangely, the lens does not fit on the ...
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2answers
228 views

What is the use of tele converter? Is it possible that it can be used for all lenses or only for the specific lens?

Actually I'm planning to buy multiple lens but my budget is little less I can't afford telephoto Lens so if I buy tele converter, is it possible that I can use it for all types of lens or only for ...
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1answer
188 views

Can I use a EF lens on my Canon 7D camera? [duplicate]

I have a Canon 7D (EF-S) and was thinking of buying a Tamron SP 24-70mm f/2.8 Di VC USD G2 lens (model number AO32) for the Canon EF mount. Will this lens be ok for my camera?
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1answer
183 views

Novoflex bellows lens mount identification

I bought an old Novoflex bellows and I'm trying to find the right adapter for it. Can somebody identify this mount? The opposite end is a 39mm Leica screw mount. The collar rotates ~40° or so (...
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1answer
240 views

Change a screw mount camera to a Bayonet mount or T-mount lenses

I have an old Ricoh 35 mm SLR camera. It uses a Screw mount lens system as oppose to other 35mm cameras that adopted the Bayonet mount system otherwise know as T-mount. I am looking for a conversion ...
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0answers
120 views

Where can I find lens mounts for small 2 mm diameter lenses?

I need a lens mount for one of my projects. I have a CCD chip, a single lens (2 mm diameter), and I know the mechanical position and tolerances. I would like to find a lens mount for that lens or see ...
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1answer
82 views

What mount system is this Raynox lens?

This lens says "Raynox Tele Auto MC 3.5 200mm" - any idea what mount it could be?
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2answers
279 views

What mount system is this Hanimex zoom lens?

Lens marked: MC Hanimex Automatic Zoom C-macro 1:4.5 f=80-200mm 52 filter diameter No. 131934
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1answer
183 views

Camera / lens mount mechanical resistance: case of broken or damaged mount?

Long and very long focal length lenses (say an 800mm f\x) can be attached to a canon or nikon camera SLR or DSLR body. The lens mounted on a tripod can support the weight of the camera, but likely not ...
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1answer
2k views

What is this old 50mm f/1.9 lens?

I purchased this lens for $5 at a thrift store. It's fully functional and the glass seems in good condition, however, I cannot identify the mount or the lens (the front name ring is missing). When I ...
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4answers
361 views

What is the mount on this Chinonflex lens?

What is the mount on this Chinonflex Auto Reflex lens, 135mm f/2.8 No. 691327?
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2answers
326 views

What kind of mount does this breech-lock Tair-3 lens use?

I picked up a Soviet-made Tair-3 300mm lens at a flea market recently, and I'm at a loss to identify what kind of mount it uses. According to what I've read, most virtually all Tair-3s used M42 or T ...
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1answer
855 views

Will a Canon XL1s lens work with Canon EF mount cameras? [duplicate]

Would I be able to use a Canon XL1s lens on a Canon EF-mount camera, such as the 5D, without an adapter? I'm looking to purchase one for my camera but I'm not sure if it will work.
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1answer
207 views

Which lens adapter will I need to mount a Olympus Zuiko 35mm lens to Panasonic DMC-GF3 camera?

I have a Panasonic DMC-GF3 camera body. I intend to buy a used Olympus Zuiko 35mm f/3.5 ED Macro Lens. What adapter will I require?
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2answers
859 views

What is the mount on Vivitar lens with MIR printed on mount side?

Got a Vivitar 28mm F2.8 manual-focus lens with MIR printed on the mount side. I want to use it with my Sony E-mount camera. I got a Minolta MD adapter to E-mount, but it didn't work. This is my first ...
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3answers
970 views

What is the Canon PE Mount?

I was exploring the internet this evening and came across an article on the even rarer then the 1200mm; the Canon PE 300mm f/1.8. Original PetaPixel article Now although the article says the lens ...
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1answer
425 views

Do AF-S DX lenses mount on Nikon D3300

My camera currently has an AF-P NIKKOR lens.
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1answer
298 views

Do I need a lens adapter to use an EF-M lens on a Canon M camera?

So recently I bought a Canon EOS M10 with the 15-45mm kit lens. I was thinking of buying another lens, the Canon EF M 22mm f/2 one. Do I need a lens adapter or not? Thank you.
4
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1answer
838 views

What is this old Zeiss Tessar lens, with a large mount ring with six holes?

This old Carl Zeiss f4.5 250mm lens belonged to my father, who said that this was used for some kind of wooden electrostatic-photocopy machine from a document-copying shop that he used to run. ...
2
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2answers
554 views

Mechanical drawings of lens mounts: are they “open source”?

Dozens of 3rd party companies manufacture lens adapters from one lens mount to another. Are lens mounts mechanical specifications "open source" or did these companies measure[*] lens mounts dimensions ...
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1answer
96 views

Mitakon lens and mount identification

I'm trying to identify this lens, and its mount. It is a Labled: "MITAKON MC ZOOM 1:4.5 f=80-200mm 55(diameter symbol) 845041" The rear mount is pictured, its some kind of reverse-bayonet system. The ...