Orion Field Flattener for Short Refractors Astrozap 80A Blue - Enhances the

80A Blue - Enhances the contrast of the cloud belts on Jupiter and the polar ice caps on Saturn

With many imaging systems

This premium solar filter has an aluminum cell that is secured and centered to the tube end of the telescope with nylon thumb screws and felt padding

Supporting the Classic Dobsonian is more than just a simple rocker box

Orion Field Flattener for Short Refractors Astrozap 80A Blue - Enhances theEliminates field curvature in short, optically fast refractor telescopes, for sharper stars Designed for use with 400mm to 660mm focal length refractors with f 5 to f 7. 5 focal ratios Now includes interchangeable male M42 and M48 "wide" thread on camera adapters (T ring for your camera sold separately) Preserves focal length attributes of the attached refractor telescope while flattening the field of view Compatible with 2" focusers and requires 55mm