Nikon Speedlight SB-15  type_Lens Cap 5x is a high quality

5x is a high quality circular polarizing filter for lenses with 77mm filter threads

removable insert

The Asahi Pentax Microscope adapter is an indispensable accessory for anyone who wants to connect their M42-mount camera to a microscope

Nice and sturdy

Nikon Speedlight SB-15 &nbsptype_Lens Cap 5x is a high qualityThe Nikon SB 15 is a mid sized flash designed for use on Nikon film SLRs (but it will work on most other film SLR cameras, too). The flash tube tilts separate from the body for bounce, and you can flip the whole thing into vertical or horizontal mode. In excellent cosmetic condition, with an ID engraving on the back of the tripod foot. Includes case and instructions.