Helios 44-2 lens. Ultimate buying guide.

All 8 versions of famous helios 44-2 lens. Comparative review with test shoots. With particularities explained in details. The most exhaustive review on youtube. Im professional lens seller/repairer. For tested, lubricated and cleaned vintage foto equipment please visit my eBay stores at:
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Видео Helios 44-2 lens. Ultimate buying guide. канала Retro Foto House