For Nikon Nikkor Z 40mm F2. For Nikon Nikkor 40mm F2 (SE). 1 xLens Bayonet Mount Ring(depend on your choose). This involves modifying the original design (plastic ring change. Personal skills are required. ).
This product would be ideal for photographers who need to upgrade the standard metal mount ring on their Nikon Nikkor Z 40mm F2 camera for a more secure and ergonomic grip.
