Asahi M42 Auto Extension Tube Set brand_Ricoh Shutter speeds are good

Shutter speeds are good

It should hold a small to mid-sized DSLR or mirrorless camera

The Zeiss Ikon Nettar 515/2 is a folding 6x6 camera with a 75mm f4

This is a double film case that shipped with Minolta Weathermatic camera kits

two clamps

Asahi M42 Auto Extension Tube Set brand_Ricoh Shutter speeds are goodThis Asahi extension tube set includes three M42 thread mount extension tubes: roughly 9mm, 19mm, and 29mm, for a total of about 57mm extension when combined. These are auto diaphragm tubes with a stop down passthrough system. In excellent condition, with only very minor paint wear. Includes original leather case.