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
ED Element High-contrast Optics: The first time you observe an object through one of these eyepieces; you will almost certainly be struck by the brilliance clarity and depth of colour in the image
Long Eye Relief Comfortable Observing: The very generous 20 mm of eye relief means your observing is always completely comfortable for all the focal lengths available in this eyepiece series