MIR-1 2.8/37mm focusing tricks. Explained.

Tricks about how to get proper infinity as well as 0,35m close focus on Mir-1 prime wideangle lens. I’m a professional lens seller/repairer (Jupiter, Zenitar, Helios, Mir, Vega and others) If you are seeking for tested and adjusted russian lenses, please visit my eBay stores at: