- Front side - accepts a START lens
- Rear side - M39x1 male thread
- Machined of high quality aluminium alloy
This adapter allows using a Helios-44 lens in special mount for Soviet SLR camera START on cameras with LTM mount.
The adapter is secured on the lens with 3 tiny set screws.
Infinity focus is preserved if mounted on rangefinder 35mm cameras like Zorki, FED, Leica.