Orion Reducer for EON Refractor

The 0.8x reduction factor shortens your telescope's focal length, which effectively widens your field of view. This allows you to capture larger deep-sky objects like expansive nebulae or star clusters that might otherwise be cropped out of your frame.

This reducer is designed with a standard 55 mm back focus and an M48 connection, which is the industry standard for most dedicated astronomy cameras. As long as your imaging train is set up to accommodate this 55 mm spacing, it should integrate seamlessly.

Beyond changing your focal length, this is a field flattener. It corrects the curvature of the field inherent in many refractor telescopes, ensuring that stars remain sharp and pinpoint-like from the center of the frame all the way to the edges.

Yes, the unit features 2-inch filter threads, allowing you to easily screw in a standard light pollution or narrowband filter directly to the reducer before it connects to your camera.

This reducer is optimized for the EON series, but performance can vary depending on the specific aperture and focal ratio of your telescope. It is best suited for refractors that benefit from a 55 mm back focus requirement.

The three-element design is a high-quality configuration that helps minimize optical aberrations like chromatic aberration. Combined with the fully multi-coated lenses, it ensures that your images maintain high contrast and clarity without introducing unwanted reflections or color fringing.