iOptron iGuideTM compact autoguider system consists of portable mini guiding scope with a diameter of 30mm and focal length 120mm (Part # 3361) and a iGuider 1 Camera (Part # 3362). The resolution of the autoguider is 6.44 arc sec/pixel, especially suitable for guiding with short to medium focal length telescopes. With dielectric AR-coated achromatic lenses, iGuide Scope is sharp in imaging and ensures high quality guiding. iGuide autoguider can mate with iOptron CEM26/GEM28 mounts seamlessly without any adapter. It also comes with a standard finder scope dovetail, readily fits with telescopes that have finder scope slot.