Birns & Sawyer Zoom Combifinder Model K lens mount_Micro Four Thirds It’s got both waist and

It’s got both waist and chest straps for carrying heavier loads

Please do not buy this as a standard 50mm lens and expect it to be "good

The included Minolta 50mm f1

Slimmer than a standard polarizer

Birns & Sawyer Zoom Combifinder Model K lens mount_Micro Four Thirds It’s got both waist andThe Birns & Sawyer Zoom Combifinder Model K is a director's viewfinder for standard 4: 3 format 16mm and Super 35mm. A handy accessory that lets you quickly get a feel for the field of view of lenses from 18mm 150mm (in Super 35 format) and 8mm 75mm (in 16mm format). Also very useful for looking like an important person who knows what they're doing, if you're in the right crowd. In excellent condition. Includes neckstrap.