The Reducer & Field Flattener from Starfield is one optic with two important functions—correcting spherical aberration for edge-to-edge sharpness and reducing your focal length for faster imaging. The optics on the reducer/field flattener are multicoated, allowing greater light transmission across its 38mm diameter imaging circle. On the telescope side, the reducer/flattener is designed for use with refractors with a focal ratio of f/6 or greater, a 2" focuser, and 55mm back focus. On the camera side, it is suited to sensors APS-C and smaller and is threaded for an M48 camera adapter.
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Key Features
- For Refractors f/6 and Longer
- Reduces Focal Length for Faster Imaging
- Reduces Edge Spherical Aberrations
- High-Transmission Lens Multicoating
The Reducer & Field Flattener from Starfield is one optic with two important functions—correcting spherical aberration for edge-to-edge sharpness and reducing your focal length for faster imaging. The optics on the reducer/field flattener are multicoated, allowing greater light transmission across its 38mm diameter imaging circle. On the telescope side, the reducer/flattener is designed for use with refractors with a focal ratio of f/6 or greater, a 2" focuser, and 55mm back focus. On the camera side, it is suited to sensors APS-C and smaller and is threaded for an M48 camera adapter.
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Starfield SF-FFR-06 Overview
Starfield SF-FFR-06 Specs
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Starfield SF-FFR-06 Reviews
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