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CY pentax
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PostPosted: Thu Jun 26, 2008 6:53 am    Post subject: CY pentax Reply with quote
I went around to Poolhalls yesterday to deliver a lens. Stayed for a chat and compare of gear. Hes got a pentax system so I was interested to see how similar the CY and K mounts are. It seems they are almost identical with a small section on the CY body side conflicting (iwas comparing my cy eos adapter to it) I am sure a little grinding of the mount would allow mounting. So I am in the market for a cheap/broken Pentax K


PostPosted: Thu Jun 26, 2008 7:55 am    Post subject: Reply with quote
I still think a P30 is best bet but might be worth looking for any Chinon, Cosina or Ricoh body as they all had the K mount too, and some of the Russian later Zenits I think are K mount if you can find one. Thanks for the evening Bob btw very enjoyable!


PostPosted: Thu Jun 26, 2008 8:13 am    Post subject: Re: CY pentax Reply with quote
hacksawbob wrote:
So I am in the market for a cheap/broken Pentax K

I'm confused , is that a lens or camera you need? I have a broken Pentex-M lens you can have Bob.


PostPosted: Thu Jun 26, 2008 8:48 am    Post subject: Reply with quote
Its a camera body that Bob is after preferably old/broken or very cheap


PostPosted: Thu Jun 26, 2008 9:03 am    Post subject: Reply with quote
If using C/Y lenses on film camera is your goal, why not go for a Yashica camera instead? They are native mount (so no risk of lenses falling on the ground(, they are correct register distance (difference with Pentax is only about half millimeter, but yet there is, and it could be visible in wide angle lenses), and they can be as cheap as other Pentax K cameras.


PostPosted: Thu Jun 26, 2008 11:20 am    Post subject: Reply with quote
Sorry if I did not make myself clear. I would like to adapt a cheap pentax K body to accept a CY lens. I think it will be possible by grinding some of the Pentax mount away but I am not sure. The lens registration is almost identical. If it is possible then a modification to a pentax mount may allow for mounting of CY lenses (but not affecting any other lenses.) I just need a disposable body to practice on.

HI Richard, (poolhall) good to meet you last night! I may have to get one of those zenitars now Crying or Very sad


PostPosted: Thu Jun 26, 2008 12:09 pm    Post subject: Reply with quote
hacksawbob wrote:
Sorry if I did not make myself clear. I would like to adapt a cheap pentax K body to accept a CY lens.

Sorry, I can't help then, but I hope I'll soon be able to check if a Pentax K lens will mount on a C/Y camera! Smile


PostPosted: Thu Jun 26, 2008 12:29 pm    Post subject: Reply with quote
hacksawbob wrote:
Sorry if I did not make myself clear. I would like to adapt a cheap pentax K body to accept a CY lens. I think it will be possible by grinding some of the Pentax mount away but I am not sure. The lens registration is almost identical. If it is possible then a modification to a pentax mount may allow for mounting of CY lenses (but not affecting any other lenses.) I just need a disposable body to practice on. Crying or Very sad

Bad memory Twisted Evil

See here : http://forum.mflenses.com/pentax-k10d-and-manual-focus-lenses-t3281,start,15.html Wink


PostPosted: Thu Jun 26, 2008 12:59 pm    Post subject: Reply with quote
That thread has really progreesed since I looked at it!
http://forum.contax-club.org/viewtopic.php?t=12815&postdays=0&postorder=asc&start=45
here is the procedure.


PostPosted: Thu Jun 26, 2008 1:42 pm    Post subject: Reply with quote
hacksawbob wrote:
That thread has really progreesed since I looked at it!
http://forum.contax-club.org/viewtopic.php?t=12815&postdays=0&postorder=asc&start=45
here is the procedure.

If you read french, there is also : http://forum.hardware.fr/hfr/Photonumerique/Objectifs/adaptation-objectifs-bagues-sujet_12101_10.htm#t2247119

I'm reluctant to butcher my Samsung ... I prefer to adapt lenses, cheap ones that is Smile Just in the process to adapt an Olympus 50mm to Pentax-K or M42.


PostPosted: Thu Jun 26, 2008 4:02 pm    Post subject: Reply with quote
Great links - Thanks.

I'm working out how to use c/y lenses on an sd14 which is a PK mount in disguise - although the register is 44. So these have made interesting reading.


PostPosted: Thu Jun 26, 2008 6:34 pm    Post subject: Reply with quote
Interesting I had never really considered the sigma as a candidate for MF lenses. Maybe we could start a thread on here similar to the other manufacturers.
http://forum.mflenses.com/digital-cameras-f5.html

How similar is it to the K mount?


PostPosted: Thu Jun 26, 2008 6:53 pm    Post subject: Reply with quote
It's identical apart from the registration distance.
I've been using my Tamrons on it with a PK mount which focus just past infinity which isn't a problem with their close focus ability. I have an M42 adapter... but that's it! The registration is the same as canon eos but the 'throat' is narrower, so the only option for other lenses is changing mounts on bodies and lenses. So I've been doing some reading, but hadn't come accross this one yet. Smile


PostPosted: Thu Jun 26, 2008 10:57 pm    Post subject: Reply with quote
Thanks for the info! Smile


PostPosted: Fri Jun 27, 2008 3:40 pm    Post subject: Reply with quote
hacksawbob wrote:
Sorry if I did not make myself clear. I would like to adapt a cheap pentax K body to accept a CY lens. I think it will be possible by grinding some of the Pentax mount away but I am not sure. The lens registration is almost identical. If it is possible then a modification to a pentax mount may allow for mounting of CY lenses (but not affecting any other lenses.) I just need a disposable body to practice on.


With the idea of making a Contax K10D eventually? Sounds good to me.
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