Optical glass with high definition image quality, effectively isolate water droplets and water vapor. Aluminum alloy frame is more practical, aluminum alloy frame is reliable and firm. Wear- and scratch-, sturdy and more NIGHT Anti Light Damage Filter - Anti-light damage filter is mainly used for night , can effectively filter some common off pollution, such as yellow light from high pressure sodium lamps, street lights and artificial light pollution from the lower index, light pollution makes the night lose its charm, but also reflected to the clouds, resulting in night color deviation, which makes the anti-light damage filter is particularly important! Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Camera Lens Filter:NIGHT Anti Light Damage Colour:Dark Gray Material:Light aluminum frame optical glass Package Contents: 1 * Lens Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.