Federal Octar 5.5 inch f6.3 enlarger lens  type_Adapters The removable camera insert measures

The removable camera insert measures approximately 8x20x27cm

Good focusing screen

8-4 DG HSM lens is a handy full frame wide-angle zoom lens for Canon EF mount

The Leitz VIOOH is a variable viewfinder for lenses between 35mm and 135mm (with stops at 50

with only the most minimal cosmetic wear and extremely clean optics

Federal Octar 5.5 inch f6.3 enlarger lens &nbsptype_Adapters The removable camera insert measuresThe Federal Octar 5. 5 inch f6. 3 lens is designed for use on an enlarger or bellows. It appears to be a 34mm thread mount. Some wear on aperture dial, dust and minor haze on the optics, diaphragm blades have some fluid and wear that won't impact function.