Astronomik Dark Filter Astronomik's simple yet effective dark filter makes taking dark frames easier than ever! Orientation does not matter. Does not change optical performance. The Astronomik Dark Filter is essential for a CCD camera that doesn't have a mechanical shutter. This filter allows you to take dark frames without the hassle of monitoring your set up. The filter is opaque and threaded in a selected size cell. This filter works even better with a filter wheel. Attach this filter to a filter wheel in order to take a dark frame without capping off your telescope.The Astronomik Dark Frame filter is a must-have for many cameras that don't have a mechanical shutter, including interline CCD cameras from Starlight Xpress, Imaging Source, Atik, as well as others. In the Box Selected frame size Astronomik Dark Filter Protective Storage Case Manual & Warranty Astronomik 10 year warranty
