[Mit Optische Elemente]
[Ohne Optische Elemente]
M42 on for Nikon AI Mount adapter ring M42 lenses (for Zeiss, for Pentax, for Praktica, for Mamiya, for Zenit) can be used for Nikon cameras
Material: metal.
Colour: black.
There is no ROM connection on the ring, so the aperture control of the lens is manually adjusted. It is possible to use macro rings and other accessories.
Only one adapter equipped with optical elements supports infinity focus