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OKP 100/1.8 converted to M42 + Sony A7R
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PostPosted: Fri Mar 23, 2018 9:38 am    Post subject: OKP 100/1.8 converted to M42 + Sony A7R Reply with quote

Soviet, fast and heavy projection lens converted to M42 using custom-made step-up and step-down rings and focusing helicoid.




Despite the size and weight (nearly 1 kg!) it's quite comfortable to operate. Very shallow DOF and surprising sharpness. Sony A7R, no post-processing:





PostPosted: Sat Mar 24, 2018 1:33 pm    Post subject: Reply with quote

i have the 110/1.8 and it seems to be too heavy for conversion Crying or Very sad


PostPosted: Sat Mar 24, 2018 2:18 pm    Post subject: Reply with quote

I also have one, but haven't tried the conversion yet. What problems should I expect?


PostPosted: Tue Dec 18, 2018 10:05 am    Post subject: Reply with quote

Nice one