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AUTOFOCUS: M lenses on Sony A7r2 with Techart Pro LM-EA7 Adapter


k-hawinkler

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k-hawinkler

Yup, you figured it out.  That was it.  Many thanks.   Hello guest! Please register or sign in to view the hidden content. Hallo Gast! Du willst die Bilder sehen? Einfach registrieren oder anmelden!  So, I went outside and took an AF shot of this early (humming)-bird with the above mentioned FLE lens @ f/1.4 .   Hello guest! Please register or sign in to view the hidden content. Hallo Gast! Du willst die Bilder sehen? Einfach registrieren oder anmelden!    This is a 100% resolution c

wilfredo

Well, I myself am surprised.  Generally speaking I've never been a fan of the CMOS sensor when it comes to skin texture given the added "porcelain" effect; and the B&W tones were not always there, they just didn't please me.  I've always found that CCD sensors were richer in producing B&W tones.  That's one of the reasons I hardly used my DSLR anymore, especially after I purchased the Monochrom (Type I) but even before that my "go to" camera was the M8.  Not being a techy, from what I ca

k-hawinkler

Thanks John.  Here we go.  I think we need to discuss 3 areas, namely:     • The adapter LM-EA7 itself   The adapter seems well built with a pretty powerful engine to move an entire lens. Of course, this early in the game, the adapter is a work in progress, but worth having in my particular situation. It provides basic focusing functionality but is not free of firmware bugs that can interfere with taking pictures. Nevertheless, it's a great help for me, but I would not depend on it yet,

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Very interesting, all this information. I still have a Nikon D700 "outfit" with the classic 2,8 lenses. Never used them the last four years, since i use digital Leica M, so i'm thinking of making the switch to Sony, so i'm glad to see i can use my leica lenses this way, in AF mode. I'm really curious how the Summilux 75 works with the adapter.

 

Looks that the adapter works (well, sort of, because in the Nikon adapter only the lens group within the adapter moved )like a Nikon TC-16a (a manual lens to AF camera adapter from the late 80-ies) I got it with my F501 those days, and it works pretty much the same as the Tech-Art thing. Prefocus first, and let the adapter do the fine thing...albeit without 1,6x factor of course, as the Nikon tc-16a has....brilliant! Thanks for so much samples and information! 

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Check the FM Sony forum for lots of experience and issues with these. Heavy lenses like the 75 Lux might be problematic and wearing of the mechanisms seem (perhaps) common coupled with iffy support from the original maker (TechArt). No personal experience so I’m

only pointing you to more detailed info from many users.

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Check the FM Sony forum for lots of experience and issues with these. Heavy lenses like the 75 Lux might be problematic and wearing of the mechanisms seem (perhaps) common coupled with iffy support from the original maker (TechArt). No personal experience so I’m

only pointing you to more detailed info from many users.

 

Thanks, but i'm afraid there's too much info..

I'll stay with Leica as my premium and "work" camera's, but i liked the possibility to use the same glass autofocus on a Sony 7RII, so i can get rid of al the Nikon "heavy stuff". So i've got enough information at the moment. thank you for your reply.

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