B + W Slip-On Lens Cap for Filters, Size 49mm (52mm Outside Diameter)

2013-07-08T21:00:00

Using this on a few old M42 Takumar lenses and K-Mount Pentax lenses. Just a bit loose so it will fall off easily, but better than nothing. Might be able to tighten it up by putting a small piece of self sticking felt on the inside lip.

AT H.