Compatibility: Compatible with Skyris, Imaging Source cameras Filter Details: Red, blue, green, and luminance filters made with quality glass, and mounted in a standard 1.25 cell Coatings: Dichroic coatings and multiple layers of anti-reflection coatings produce images with optimum color balance and light throughput Filters transmit: More than 92% of the light from the entire visual spectrum while blocking more than 99% of IR transmissions in the 730 - 920 nm range Celestron 1.25' LRGB Four-Filter Set: Take color images of the night sky with your Skyris monochrome CCD camera, a simple filter wheel, and this four-piece LRGB filter set.