Orion Reducer
Best optical accessory for amateur astronomers seeking wider celestial views.
This optical accessory effectively shortens exposure times and widens the field of view, making it an essential tool for capturing larger celestial objects. Designed specifically for refractor telescopes, it streamlines the imaging process by providing the necessary back focus for standard camera connections.
$194.00
More Focal Reducer options
Who it's for
- Astrophotographers seeking to maximize imaging efficiency during short nights
- Wide-field imagers capturing expansive nebulae and large star clusters
- Detail-oriented photographers demanding edge-to-edge clarity in their astronomical shots
Who should skip it
- Beginners preferring a simple plug-and-play setup without complex measurements
- Full-frame camera users requiring perfectly uniform illumination across the sensor
- Owners of non-refractor telescopes or incompatible focal length systems
Performance breakdown
Imaging Efficiency
Significantly cuts exposure times for faster, more productive deep-sky sessions.
Field of View
Expands your framing capability to capture larger, sprawling celestial objects.
Build Quality
Solid construction that feels reliable when mounted to your telescope focuser.
Optical Clarity
Multi-coated glass maintains sharp contrast across the corrected image circle.
Setup Compatibility
Standard 2-inch barrel and T2 threading make integration seamless for DSLRs.
Back Focus Precision
Requires exact 55mm spacing, demanding careful calibration for optimal results.
Key Specs
Connection
2 inches
Camera Connection
T2
Focal Length Reduction
0.8x
Back Focus
55 mm
Fully Corrected Field
38 mm
Optical Coating
FMC
Weight
170 g
Number of Lenses
2
Filter Thread
Yes
Compatible with
Refractors
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