Alpine Astronomical Baader CMOS-Optimized RGB-G Bandpass Filter (31mm Round, Unmounted)

This 31mm Round, Unmounted Baader CMOS-Optimized RGB-G Bandpass Filter , from Alpine Astronomical is an anti-reflection RGB filter with extremely high transmission of the G color channel. Its balanced RGB design allows subframes to be taken with the same exposure time, making it ideal for automated imaging tasks. It features a Reflex-Blocker hard coating, which has been planeoptically polished, and has Life-Coat sealed coating edges. It is equally suitable for modern CMOS sensors as well as for older CCD camera technologies.