Gossen Colormaster 3F 35mm Camera Tripod mount

Tripod mount

5 mount and is suitable for 35mm enlargements

so maybe save it for your mirrorless camera if you're not going to shoot this on a Spotmatic

This one's in very nice shape overall

this Canon EF-S 10-22mm f3

Gossen Colormaster 3F 35mm Camera Tripod mountThe Gossen Colormaster 3F is a sophisticated digital meter for flash and ambient light that measures colour temperature (in degrees and filter correction values) and light intensity (in lux or lux seconds). Compact, with an easy to read screen and a built in PC sync connector for strobe triggering. In excellent condition, with case and strap. Please note: this is not a normal light meter. It will not give you exposure readings.