Celestron 95555 Nightscape CCD Camera Attachment One shot color imaging using 10.7 MP CCD sensor - No filter wheels or color combining needed 4.75 micron x 4.75 micron pixels - Small pixels and 2x2 and 4x4 binning allows for optimal resolution at multiple F-numbers Thermoelectric cooling (TEC) - Regulated TEC and adjustable fan to dramaticallyreduce thermal noise Internal Mechanical Shutter - makes acquiring dark frames easy AstroFX software - takes you step-by-step from taking images to processing the final result