Nikon DW-2 6x Focusing Finder brand_Vivitar I don't know who made

I don't know who made this loupe

to Fit Hexagonal (RC0) Q

The camera has a bunch of the usual "modes" (portrait

and compatibility with a wide range of Nikon lenses

Lomography ISO 100 "Orca" black & white film for 110 cartridge cameras

Nikon DW-2 6x Focusing Finder brand_Vivitar I don't know who madeNikon DW 2 6x Focusing Finder for the Nikon F2. This finder offers a magnified viewfinder image that is vertically corrected and laterally reversed. Great for macro work, astro, and any other application which requires the utmost focus precision. This finder is in superb cosmetic condition, and diopter adjustment is smooth. Optics are clean. The rubber eyecup has not aged well and has a permanent deformation, but the finder is perfectly usable without