Nikon 22mm Eyepieces lens mount_NIkon S This came out in 1959

This came out in 1959 and cost more than 5 grand in 2021 dollars

and there may be a few others out there

A lovely lens in excellent condition

Includes original case

it can support up to 20kg

Nikon 22mm Eyepieces lens mount_NIkon S This came out in 1959These Nikon 22mm eyepieces will fit Nikon "pro" camera viewfinders, like those found on the F3HP, F4, D800, and D2 3 4 5 6 cameras (plus others with the same thread). Note that these will not fit the non HP F3! These eyepieces include frame and glass; not all are rubberized. Select the eyepiece type from the drop down menu below. Image is for illustration purposes only. Actual item may differ. Diopters generally do not include a rubber bumper.