Helios Swirls - A look at the 44, 44-2, 44-3, 44M, 44M-4 to 44M-7

Why/how do Helios 44-series lenses produce swirls? And do they all swirl the same amount? 00:00 Differing views 00:51 An introduction to the different lenses 03:40 Why/how do Helios lenses swirl? 05:18 Testing the amount of swirls: 2-D 08:54 Testing the amount of swirls: 3-D How to produce more swirls inside 13:20 So do they swirl the same amount or not? 17:13 Conclusions #helios44 #heliosswirls