Rolleiflex Carl Zeiss Jena TLR Push-on Aluminium Metal Lens Cap
Push on all metal lens cap fits lower lens Bay-1 and upper lens non-bayonet 30mm diameter.
Suitable for Rolleiflex cameras with Zeiss Jena taking lens.
Push on fit for Bay 1 taking lens and non-bay 30mm viewing lens.
See pictures to verify it will fit your camera.
Good condition with only minor marks from previous use.