Allows to quickly and easily change; save time for filtered planetary and lunar observation using different color filters or for tricolor astrophotography; install all filters and then dial in filter want to use for particular astrophotographic exposure
Robust constructed filter wheel is supplied with a 1.25 inch eyepiece adaptor and1.25 inch nosepiece and T2 camera adaptor and locking ring; be attached to telescope either by 1.25 inch nosepiece or T-thread; suitable for visual and astrophotography
Features a helpful number system that allows to quickly place filter into light path; simply note reference number of each filter during installation; then rotate knurled wheel until desired number is displayed in small notch of filter wheel housing
#23A Light Red- The red filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail; #17 Yellow - The yellow filter improves contrast on Moon craters; on Mars; channels and polar caps become more apparent
#80A blue - The blue filter is suitable for Moon; Mars; Jupiter and Saturne observation; it improves contrast on faint areas without affecting the planet's brightness; which is why this filter is often used in combination with others