52mm Canon projection lens to M52x0.75 thread adapter, LONG

This adapter allows using old Canon projection lens in front of lenses with M52x0.75 filter thread.

Inner diameter of the adapter is 52mm, so it fits the attachment perfectly (we prefer perfect fit instead of 'universal' solutions with long screws).

Depth is 25 mm.

Weight is 74 g.

Protective flat spring installed to prevent a lens barrel damage.