SBIG Baader 50mm Square LRGB Filter Set

50mm square Baader LRGB Filter Set (L is UV+IR blocked, all are AR coated, optically polished).These Color 50mm Square Optical Filters are used with SBIG STX series cameras and FW7-STX filter wheels. These filters are compatible with the STX Guider. Please note that 65 mm square filters are used with FW5-STX filter wheels.