Features:
Completely manual control， manual focus and manual exposure
Aperture Priority
Focus to Infinity
No electrical connection
Made of Aluminum with High Quality

Compatible:
For All M42 Mount Lenses
Such as:For Zeiss，For Pentax，For Praktica，For Mamiya，For Zenit
All For Nikon F Mount Camera
Such as: For Nikon Df， D5300， D610， D7100， D5200， D600， D3200， D800/D800E， D4， D5100， D7000，D3100， D300S， D3000， D3X， D90， D700.

Package Include:
1 xFor M42 Lens for Nikon F Mount Adapter Ring