Federal Octar 5.5 inch f6.3 enlarger lens  type_Adapters with minor paint wear at

with minor paint wear at the base corners and light wear from careful use

an Arri 650W fresnel

The Fujifilm Instant Wide 300 is a slightly goofy-looking camera

Ilford Ilfostop stop bath concentrate for black & white film and paper

The removable camera insert measures approximately 8x20x27cm

Federal Octar 5.5 inch f6.3 enlarger lens &nbsptype_Adapters with minor paint wear atThe 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.