H&Y Filters HD Nova-Series Magnetic Variable ND3-32 + CPL Filter & Cap - 49mm Chemistry It allows B Module and

It allows B Module and C Module accessories to be added to a lens with a 67mm filter thread and is compatible with wide-angle lenses

H&Y Filters 100 x 100mm Quick Release Magnetic Filter Frame

Material: Silk

it allows DSLR or mirrorless camera systems to use a single filter on multiple lenses

H&Y Filters HD Nova-Series Magnetic Variable ND3-32 + CPL Filter & Cap - 49mm Chemistry It allows B Module andH&Y Filters HD Nova Series Magnetic Variable ND3 32 + CPL Filter & Cap 49mm Key Features ND3 32 Neutral Density (ND) & Circular Polarising (CPL) Lockable Dial Magnetic Filter Cap Aluminum Filter Ring Multicoated Optical Glass Ultra thin Frame Ultra Wide Compatible 49mm Rear Threading Universal Screw In Design The H&Y HD Nova Series Magnetic Variable ND3 32 + CPL Filter Kit offers a unique, dual function solution for photographers, combining a neutral