Helios 44/2 on Nikon F mount infinity focus achieved without extra glass adapter | Nikon DSLR and M42 lenses (all Nikon DSLR from 2006 onwards) | Flickr
Nikon D700 + Helios 44-2 : r/Nikon
Fixing the focus to infinity issue of the Helios 44-2 on M42 to Nikon F mount adapter - YouTube
HELIOS 44 2/58 mm Anamorphic Cine Lens Boken CANON Fujifilm SONY Nikon Micro4/3 | eBay
Helios 44-2 58mm f2 Review | A King Of Character | Alik Griffin