Lens adapter compatibility

M42 screw mount lenses on Nikon F cameras

Can you use M42 screw mount lenses on Nikon F cameras? Not with a simple adapter — infinity focus is lost. The M42 screw mount flange distance is 45.46 mm and Nikon F is 46.50 mm, a difference of -1.04 mm.

-1.04 mm
Space for the adapter
45.46 mm
M42 screw mount flange
46.50 mm
Nikon F flange
Verdict: No infinity focus — the M42 screw mount flange is 1.0 mm shorter than the body's, so an adapter would need corrective glass.

What to expect#

Adapters with an optical element exist for some combinations, but they reduce image quality. A glass-free adapter in this direction only works for macro/close focus.

Other systems for M42 screw mount lenses#

Frequently asked questions#

Will M42 screw mount lenses autofocus on Nikon F?

This adapter direction is not practical.

Does a M42 screw mount to Nikon F adapter affect image quality?

Any adapter that restores infinity focus here needs a corrective lens, which typically lowers sharpness and adds a slight teleconverter effect.

Last updated October 03, 2026 · How we calculate · Sources