This reviews the Helios 77M-4 (50mm f1.8), Zenitar-M (50mm f1.7), and Helios 44M-7 (58mm f2).

Ever wondered what the highly regarded Helios 77M-4 is like, and how it compares with two the other top-rated (by some) fast fifties? With many photos and videos.

00:00 Introduction
02:06 Specs
03:19 User experience
04:49 Wide-open performance
10:48 Stopped-down performance
14:11 Flares and light leaks
15:34 Starbursts
16:03 DoF calculations
16:49 Conclusions

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