Scope arrived well packaged and was shipped quickly. InternetSales@optcorp.com, 800-483-6287 Like all TPO Imaging Newtonian's, the 6-inch model is an ideal scope for anyone looking to transition from visual astronomy into astro-imaging. The optics on all TPO Imaging Newtonians consist of a parabolic primary mirror and an elliptical secondary, or diagonal. 6X30 mm Straight-Through Finder with Bracket and Base. For both options we guarantee you will not find as good of a telescope for such an amazing price. All of their Imaging Newtonian … The Best Dedicated Astronomy Cameras for Beginners. $299.00. /*