Birns & Sawyer Zoom Combifinder Model K lens mount_Pentax K The 7Artisans 7

The 7Artisans 7

which is pretty decent

Leitz Or (orange) filter for the 5cm Elmar lens and others with a 39mm filter thread

The Bronica Zenzanon-RF 100mm f4

Birns & Sawyer Zoom Combifinder Model K lens mount_Pentax K The 7Artisans 7The 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.