Premium affordable 20 mm telescope eyepiece offers a wide field of view and superior performance at a bargain price
Generous 18 mm eye relief allows comfortable viewing distance and lets eyeglass wearers see the entire field of view
Wide 66-deg apparent field offers expansive views of the moon star clusters and the Milky Way
Astromania 1.26inch 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