The Clear Night Filter is designed to reduce light pollution in nighttime photography, allowing you to capture the beauty of the nighttime sky! The resulting images will have true to life colors and improved contrast when compared to images influenced by light pollution. The M10-II drop-in filter line is made from aerospace aluminum and feature an easy to use pinch-and-release grip design. M10-II drop-in filters are compatible with both the M10 and M10-II filter holders.