SVBONY user adjustable laser collimator;allows anyone easily collimate 1.25'' and 2'' reflector telescopes;come with removable 2" adapter;built with metal material;make alignment no longer boring and time consuming
7 brightness levels red laser beam;adjustable brightness;suit for different light conditions;amazing alignment in dark and day;so can get the better views possible from your reflector telescope
Triple cemented of Lens;Improve the stability of red dot;Red laser with 7 brightness levels;Quick alignment;much faster than a manual collimator ; It's a great Halloween birthday christmas gift
UHC filters or light pollution reduction filters are designed to selectively reduce the transmission of certain wavelengths of light;especially those produced by artificial light
Due to its ability to produce exceptionally sharp and clear images;this UHC filter is considered one of the most popular astronomy accessories;it can be used not only for celestial observations but also for astrophotography