Feature: 1. The filter is made of high‑quality optical glass, high‑definition grinding treatment, restore the true color. 2. Multi‑layer coating process, the filter has waterproof, oil‑proof, anti‑fouling and scratch‑proof performance. 3. The purple filter is suitable for shooting in freshwater, snce the algae plants are green in the water, the filter can correct the greenish image. 4. Applicable for OSMO POCKET 1/2, clear imaging, it is an essential accessory for underwater photography. 5. Simple magnetic installation, convenient and quick, lightly align, one second adsorption lens installation, firm and not easy to fall. Specification: Item Type: Camera Diving FilterMaterial: Aluminum Alloy (Frame) + Optical GlassFrame Color: BlackFilter Color: PurpleWeight: Approx. 21.0g/0.7ozApplicable for OSMO POCKET 1/2 Camera . Package List: 1 x Camera Diving Filter1 x Storage Bag Note: 1. Pocket camera is not included in the delivery.2. Due to manual measurement, please allow 1‑3mm/0.04‑0.12in error, please make sure you don't mind before ordering.3. Due to different shooting lights and differences between monitors, the picture may not reflect the actual color of the object.