Chose from 50mm f1.8d and 50mm f1.8g. I chose 50mm f1.8d because of the two 50mm f1.8g lenses, neither of them could hit 0 when checking for focus, and only the 50mm f1.8d could do it at a price almost 2 times lower. I don’t sin about focusing on the d7000, because He is only after adjustment in the SC. Has some pros Sharpness by 5 points, no front, no back focus. Focusing speed may not be instant, but not slow on the d7000 either. The price is only 2 times more than the adapter for Helios;). Different cons: The backlash is so huge for an optical system that when focusing, you can see how the entire image shifts in the viewfinder. The retractable trunk dangles by hand as if they forgot to put a guide bushing into the lens. The warranty was only from the store.
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