Identifying the mount on a third-party lens

<p>Is there any way to identify, visually only, which camera manufacture a lens

mount is for? I often see third-party lenses available online from other sites

than the camera dealers (B&H, KEH, etc.) and not on eBay, but I have no idea if

those would fit my *ist DL. Pictures are always posted (or can be requested)

but the sellers often are in the position where they have no idea of the mount

themselves - for example at shopgoodwill.com they take what they get without

knowing the ancedents. I know M42 screwmounts are pretty near universal, but I

look at the bayonet mount lenses and have no idea...

<p> So, IS there a way to look at a picture of a bayonet mount and determine if

it's for a Canon, Nikon, Pentax, Minolta, or whatever body? I do not want to

get into adaptors or the M42s since anything I get this way would be "just for

fun" and the more fiddling with it I'd have to do, the less I'd use it (and the

less fun it will be!). I'd like to look at a picture and say "yes, that's a

Pentax" and pay my money with a modicum of confidence that when it arrives,

it'll fit the DL. Is this possible?

<p>Thanks for any advice!

Folks who are VERY familiar with the bayonet configs might be able to look and tell. But the actual mount labeling on the lens offers a better way to tell (such as "FD" for Canon, or "K" for Pentax)!

 

Dave

Of course. You can say which mount it is by looking at the contacts. Canon is 7 or 8 contacts, minolta has 5 big squares. Pentax and Nikon has contact dots within the metal mount, but Nikon's is on the side of the mount where as pentax is on the face of the mount.

One can tell visually in many cases. The usual indicators are the direction of the apertures on the aperture ring (Nikon, Pentax and Contaflex have the largest aperture on the right(Contax Style), Canon FD and Contax/Yashica have it on the left(Leica Style), I can't recall what OM and MD are, probably like Canon FD), The mount style (breechlock is Canon FD, screwmount is usually Pentax screwmount), aperture coupling (Nikon lenses have the 'rabbit ears', and the AI tab, Pentax K has it in the cutaway below the bayonet lugs across from the stop-down lever).

 

The quickest way to identify K mount lenses is usually the stop-down lever, which extends much further from the lens than other mounts do. A and later lenses also have the A position on the aperture ring and the contacts on the mount flange, the latter is unique to pentax (other mounts with electronic contacts have them inside the mount flange, usually flush with the lens, although Nikon uses an odd perpendicular flange).

Pentax mount<div></div>

pentax-kaf<div></div>

canon fd mount<div></div>

canon fd mount<div></div>

canon eos mount<div></div>

contax-n mount<div></div>

contax mount<div></div>

nikon mount<div></div>

another nikon mount photo<div></div>

minolta mount<div></div>

minolta-maxxum mount<div></div>

minolta-md mount<div></div>

olympus mount<div></div>

another olympus mount<div></div>

olympus auto-focus mount<div></div>

P.C. D.

 

You may check this web site, too

 

http://rick_oleson.tripod.com/index-99.html

 

And the best Season's Greetings to all readers.

 

Markku

<p>This is absolutely fabulous information!

<p>"J", thank you so much for sharing those pictures. They are definitely each worth more than a thousand words of explanation!

Hi, sorry to piggy-back on this post. I have a Tamron Adaptall-2 mount labelled RI. Does this possibly refer to Ricoh? Is it usable on Pentax cameras - like a K mount? I got it by mistake instead of the Nikon mount I had ordered (apparently a bad phone line!). many thanks!

Actually can I ask a question that I hope does not sound too dumb?

Can you get a coenversion mount that will enable a lens for say a Nikon camera to be 100% usable on a Pentax camera?

I'm thinking along the lines of Pentax KAF fittings.

Many thanks

Teresa

Hi, I've an unknown mount lens that I can't find any information on, even after looking at all the picture in this thread. Can you please let me know which camera will fit this mount?<div></div>

<p>bro i have lens which i get from old used electronic shop.but i cant identify his mount.i will send u the pic and then tell me..and how i use it with my nikon d5100...normal and also as reverse for micro.</p>