Product picture - Alpine Astronomical Baader 2" Mark III Visual Photographic Coma Corrector for Dobsonian OTAs with 1.25" Eyepiece Holder Alpine, Astronomical, Baader, 2, Mark, III, Visual, Photographic, Coma, Corrector, Dobsonian, OTAs, with, 1.25, Eyepiece, Holder Click the image to close this page