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
Astromania 1.29inch Mars Filter is an excellent multi-purpose filter for viewing all features of Mars; polar caps stand out prominently; landscape features like mare and highland mountain ranges are easily separated and resolved; polar hazes and cloud cover become visible
Fully-coated Mars filter: An invaluable tool for any planetary viewer with an interest in the red planet; increases contrast to bring out subtle details on the disc of the red planet