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How to convert MC ROKKOR-PF 58mm 1:1.4 to EOS
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PostPosted: Sat Sep 18, 2010 11:18 am    Post subject: How to convert MC ROKKOR-PF 58mm 1:1.4 to EOS Reply with quote
HI!

I've bought MC ROKKOR-PF 58mm 1:1.4 recently for a few bucks and looking forward what to do with it. I got canon 30d, so it'd be nice portrait lens. But i shold convert it to eos first.

Well, there's some ideas on it:

First, is quite simple. Get the mc to eos conversion kit from here. But AFAIK it's quite pricey(more then 50$) especially, when compared to lens price.
Second idea is to cenvert it by myself. What i need to get to do this. I got broken Tokina, so i can take EOS mount from it. And i can buy m42(or whatever) to EOS mount, and try with it. That'd be way cheaper.

What'd be your ideas?

Thanks in advance for your response.


BTW, can anyone show mc 58/1.4 photos from aps-c camears?

One more question: If i can use this lens on Sony alfa cameras? Do i need any adapters?


PostPosted: Sat Sep 18, 2010 1:52 pm    Post subject: Reply with quote
Hi, i've converted before MD mount glass to m42, but on third party glass. You should check if it hits the mirror or not.


PostPosted: Sat Sep 18, 2010 2:11 pm    Post subject: Reply with quote
a20010494 wrote:
Hi, i've converted before MD mount glass to m42, but on third party glass. You should check if it hits the mirror or not.

AFAIK, it hits on 5D. Since i got aps-c camera, it doesn't hit. What did you do to convert it? and what was the lens?


PostPosted: Sat Sep 18, 2010 2:37 pm    Post subject: Reply with quote
My shameless self promotions:

How to > http://www.pbase.com/kkawakami/top_level_minolta_mc_to_ef_mount_conversions

Photos > http://www.pbase.com/kkawakami/rokkor_mc_pf_58mm_f14

But you can change the camera mount, so you do not have to convert the lenses.
This is much easier and completely reversible since you are using APS-C sensor camera.

See > http://www.pbase.com/kkawakami/rokkor_md_eos_flange_replacement


PostPosted: Sun Sep 19, 2010 4:22 am    Post subject: Reply with quote
koji wrote:

But you can change the camera mount, so you do not have to convert the lenses.
This is much easier and completely reversible since you are using APS-C sensor camera.

See > http://www.pbase.com/kkawakami/rokkor_md_eos_flange_replacement


Well, that is the only camera i have. So i won't change the camera mount anyway. Try to change a lens mount when i recieve it.


PostPosted: Wed Dec 29, 2010 1:49 pm    Post subject: Reply with quote
well, guys, i'm almost done the conversion. just got to slice a cpacing ring. i'm doing it with a sand paper. I got a questiion:
what would if i slice a bit more then needed? i'd be able rotate the focus ring next to infinity, but what would be with my minimum focusing distance?

i.e shoud i be very very precise, while slicing the spacer?


PostPosted: Wed Dec 29, 2010 8:50 pm    Post subject: Reply with quote
TLN wrote:
well, guys, i'm almost done the conversion. just got to slice a cpacing ring. i'm doing it with a sand paper. I got a questiion:
what would if i slice a bit more then needed? i'd be able rotate the focus ring next to infinity, but what would be with my minimum focusing distance?

i.e shoud i be very very precise, while slicing the spacer?

If I understand well your inaccuracy will have more troubles with infinity than with closest focus. It means that close focus will not be much better with some half or one milimetre. Infinity is more vulnerable in meanings of precision. In the end focusing is at logarithmical scale as you can see on focusing ring of every lens. More to infinity more distance it pass.
Hope it wasn't much confusing =/
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