Calumet Roll Holder Model C2 (6x7)  type_Bags and Cases This Olympus Auto Bellows is

This Olympus Auto Bellows is a versatile 5-piece rail system that you can use in at least three ways: As a macro bellows

it has a tiny LED light which is apparently for video

focusing has some unevenness

but they'd run out of their usual material to make shutter curtains

swivel wall plug for charger

Calumet Roll Holder Model C2 (6x7) &nbsptype_Bags and Cases This Olympus Auto Bellows isThe Calumet Roll Holder C2 is a rollfilm back for 4x5 cameras designed to slip in front of the groundglass like a sheet film holder unlike most rollfilm backs that require partial disassembly, causing a condition known as "pain in the butt." This back shoots 10 6x7cm frames on standard 120 rollfilm. In excellent condition, with minor cosmetic wear.