This special lens cap is spring mounted for a double sided lock into the lens filter thread. The following diameters are available: 46, 48, 49, 52, 55, 58, 62, 67, 72, 77mm.
Reviewed by 1 customers
I was looking for a new cap for the 49mm B+W UV filter on my FujiFilm X100 as the stock cap no longer works when using a filter. The cap fits great, hold strong (has yet to pop off) and has a nice retro look which compliments the X100 well.