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
Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming
This ND96 neutral density filter allows 50 percent of the visible light to pass through