Vivitar TX rear lens cap (short version)

Rear lens cap for Vivitar / Soligor interchangeable-mount lenses, for use when a mount is not fitted. This is the short version for telephoto lenses that do not have a protruding rear element. It works with Vivitar TX and T4 lenses, and Soligor T4 lenses.

This is version 2, modified into a two-piece design. The original one-piece version tended to wobble on a surface if the base of the lens cap wasn't perfectly flat. Now the smaller piece fits inside and needs to be glued in. The hole in