MC HELIOS-44M-4 58mm 1:2 lens information and sample photos - Nikon Rumors
Rent a Zenit Helios 44-2 58mm f/2 Prime Lens USSR (Sony, Canon, Fuji, Nikon, MFT), Best Prices | ShareGrid Los Angeles, CA
Helios 44-2 M42 Lens to Nikon Z Mount Mirrorless Z30 Z50 Z5 Z6 Z7 z fc Adapter | eBay
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
MC Helios-81H 2/50 Review. LensBeam
Helios 44–2 lens for Nikon F mount | Yeah, nah, aye
Helios 44–2 lens for Nikon F mount | Yeah, nah, aye
Article: Warning Error on Zenit Helios M42 lenses for Nikon DSLR