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Adapter help for pre-AI Nikkors on 5D
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PostPosted: Mon Jun 07, 2010 7:33 pm    Post subject: Adapter help for pre-AI Nikkors on 5D Reply with quote

I just got the adapter I bought off ebay to mount my Nikkor lenses on the 5D, which looks like this one (aka Cinevate adapter)



And I had a nasty surprise: none of my lenses mount on it. The pre-AI lenses have an aperture ring that protrudes at the bottom, and the lens cannot get deep enough into the adpater to lock. I tried one of my girlfriend's AI lenses (a 28/3.5) and it locks perfectly, though the adapter/lens assembly does not go on the 5D as I guess it hits the mirror.

So, what adapter shall I get to use my pre-AIs on the 5D?


PostPosted: Mon Jun 07, 2010 8:35 pm    Post subject: Reply with quote

I think you have the AIS adapter. My non-AI adapter from kawaphoto on ebaY mounts my non-AI lenses fine; AIS lens mounts a little loosely.

No 5D1 mirror hit with non-AI 2/35, non-AI 1.8/50, AIS 3.5/55 macro, or non-AI Q 4/200.


PostPosted: Mon Jun 07, 2010 9:52 pm    Post subject: Reply with quote

Well, I solved the issue: the "rabbit ears" were colliding with the adapter collar, so I ground it out on the side were the ears are. Result: pre-AI compatibility. Smile

I still have to try mounting the 50/1.4 which has a huge internal light baffle, I hope I won't have to grind it.