Hasselblad 63.5-85mm variable extension tube  type_Batteries though the fixing screw is

though the fixing screw is missing

The Asahi 300mm f4 Takumar is an old-school telephoto lens for cameras with an M42 lens mount

it’s big

with a small split in the plastic side panel which does not affect structure or function

with only minor dust

Hasselblad 63.5-85mm variable extension tube &nbsptype_Batteries though the fixing screw isThis variable extension tube for Hasselblad V series cameras and lenses provides helicoid based continuous extension between 63. 5 85mm. Ideal for close up work in the field, where a bellows may be less practical and this tube maintains shutter firing and lens cocking functions without the need for cable releases. In excellent condition, with minor cosmetic wear.