Leica Universal Wide-Angle Viewfinder M 12011 brand_Tokyo Kogaku or four AA batteries- and

or four AA batteries- and provides a full function grip for vertical shooting

found on some Rollei SL66 and 6006 lenses

Focusing and diaphragm are good

This well made Peak Design Slide Lite strap includes two quick-connect anchors for easy attachment and removal- a nice feature if you want to use a strap some of the time

Adjustable interior dividers

Leica Universal Wide-Angle Viewfinder M 12011 brand_Tokyo Kogaku or four AA batteries- andThe Leica Universal Wide Angle Viewfinder M (model number 12011) is a camera mounted wide angle viewfinder with framelines for 16, 18, 21, 24, and 28mm lenses and 5 steps of parallax compensation. It's not the most streamlined thing in the world, but it's a pretty good way to get all your wide angle viewfinder needs met. In excellent condition, with a small paint scuff on the underside which, of course, does not affect function. Includes original