Hoya 55mm Skylight 1B filter & Case fits Sony Zeiss Leica E55 camera lens etc

Hoya 49mm Skylight 1B filter fits Canon Minolta Leica Sony Camera lens etc

Vintage Hoya 55mm Skylight 1b Lens Filter - VGC

Hoya 62mm Skylight 1B filter fits Canon Nikon Sony Olympus Bronica camera lens

Hoya Camera Lens Filter – Skylight (1B) 46mm

Hoya 46mm Skylight 1A filter fits Panasonic Olympus Leica Zeiss E46 Camera lens

Camera Lens Filter - Hoya 49mm Skylight 1B

Vintage Hoya 58mm Skylight 1b Camera Lens Filter - VGC