Optical tube gars enough light to allow simple study of galaxies, star clusters, and nebulae. Also two supplied eyepieces have been specially upgraded to higher quality Super Modified Achromats to increase your viewing pleasure.
(APO CONTAINS A DIFFERENT OBJECTIVE LENS GLASS COMBINATION TO THE EVOSTAR-80ED/100ED/120ED MODELS). MHC ) ON ALL AIR TO GLASS SURFACES. MULTI-COATED OBJECTIVE LENS. DUAL-SPEED 2” CRAYFORD FOCUSER 11:1 RATIO (BACKLASH-FREE).