HOYA 55mm POP-filter GREEN Made In Japan

Hoya 55mm HMC UV Filter made in Japan

HOYA 55mm 85 filter, Warming , Made in Japan

Hoya 55mm 80A Blue Camera Lens Filter Type D Flood Coated Japan w/ Case FS

Vintage Hoya 55mm Red Filter (R25A) for SLR Cameras - Made in Japan

Vintage HOYA 55mm HMC 82A Light Blue Camera Lens Filter Made in Japan

Vintage 55mm Hoya Type D Cloudy 81A Filter Made in Japan - Excellent

HOYA 55mm Skylight 1B Filter made in Japan