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
A Classic: This is a premium eyepiece that provides better images than the eyepieces that come with new telescopes; The ingenious design uses only 5 lenses; yet provides a clear and bright image; making it an indispensable eyepiece for astronomers
52 Degree FOV: This 4mm 12.5mm eyepiece has a wider field of view of 52 degrees (46 degree for the 40mm) than most eyepieces allowing you to see more detail; you can choose a combination of eyepieces with the right focal length for your telescope