Orion Focal Reducer
Best optical accessory for amateur astronomers seeking wider celestial views.
This essential astrophotography tool shortens exposure times and widens the field of view, making it easier to capture large, faint deep-sky objects. By flattening the image field, it ensures crisp, sharp stars from edge to edge, significantly improving overall imaging efficiency.
$149.99
at
Milehighastro
More Focal Reducer options
Who it's for
- Astrophotographers capturing large deep-sky objects like the Andromeda Galaxy
- Beginners looking to reduce tracking errors during long-exposure photography
- Hobbyists using standard 1.25-inch eyepieces and entry-level imaging sensors
Who should skip it
- Perfectionists requiring edge-to-edge sharpness for professional-grade astrophotography
- Photographers using full-frame or APS-C sized camera sensors
- Newtonian telescope owners with limited focuser range
Performance breakdown
Imaging Speed
The 0.8x reduction significantly cuts exposure times for deep-space targets.
Field Flatness
Effectively corrects edge distortion for crisp, uniform star shapes.
Build Quality
Machined aluminum construction feels robust and ready for long-term field use.
Connectivity Versatility
Interchangeable M42 and M48 adapters simplify integration with most camera setups.
Optical Clarity
Multi-coated optics maintain high contrast while minimizing internal light scattering.
Filter Integration
Standard 2-inch threading allows for easy addition of essential imaging filters.
Key Specs
Focal Reduction Factor
0.8x
Clear Aperture
38mm
Weight
6.2 oz
Backfocus
55mm
Barrel Size
2 inches
Filter Thread
2 inches
Material
Machined and anodized aluminum
Compatibility
Refractors with 2-inch focuser
Know before you buy
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Ask Metto anything about the Orion Focal Reducer before you decide.