High Quality Optical Eyepiece Adjustable Diopter Correction Lens -1.5～+3.5 Diopter for Selected Nikon Film Cameras 

Brand New in Box.

Compatible with FM FM2 FA FE FE2 FM2N FM3A & F F2 F3(NON-HP Finder).

And Fuji GS645 and GSW 690 I,II,III.

Includes rubber cover.