JJC Metal L39 UV Filter Compatible with Ricoh GR IV, GR4 HDF, IV Monochrome, 31-Layer Composite Coating (AR + Waterproof), 99.5% Light Transmittance, Anti-Dust & Grease

【Exclusive Fit for GR4 Series】 Compatible with RICOH GR IV, GR IV HDF, GR IV Monochrome, ensuring a perfect, precise fit for your camera lens 【Glue-Free Bayonet Mount Installation】 Innovative rotational bayonet design eliminates glue and messy residues; easy to install by removing the original decorative ring and rotating into place 【Premium Durable Construction】 Aluminum alloy frame for sturdiness, paired with a lens-friendly plastic bayonet to protect the camera mount from scratches and ensure long-lasting use 【31-Layer L39UV Coating & 99.5% Transmittance】 Professional HD L39UV lens with 31-layer composite coating (AR + L39 + Waterproof) eliminates reflections/ghosting; 99.5% light transmission restores true colors and clarity, blocking UV light below 390nm 【Full Protection & Compatibility】 Shields lens from dust, scratches, and oil; zero obstruction to lens extension/retraction; includes a bonus cleaning cloth