Celestron Edge HD Focal Reducer
Best high performance optical upgrade for serious deep sky astrophotographers.
This optical accessory significantly boosts imaging performance by reducing focal length and increasing field of view. It effectively speeds up the system, allowing for shorter exposure times while maintaining a large, corrected image circle for high-quality astrophotography.
$429.00
More EdgeHD Focal Reducer options
Who it's for
- Astrophotographers looking to maximize their imaging efficiency during short nights
- Deep-sky imagers targeting expansive nebulae and large galaxy clusters
- Perfectionists demanding pinpoint star clarity across the entire camera sensor
Who should skip it
- Budget-conscious hobbyists seeking a more affordable entry into focal reduction
- Multi-telescope owners wanting a single versatile reducer for various setups
- Novice users who prefer a simple plug-and-play imaging setup
Performance breakdown
Imaging Speed
Cutting exposure times in half significantly boosts your deep-sky imaging efficiency.
Field of View
Capturing 43% more sky makes framing large nebulae much more manageable.
Optical Clarity
Lanthanum glass elements deliver exceptional sharpness across the entire corrected frame.
Contrast Performance
Blackened edges effectively suppress internal reflections for deeper, cleaner black levels.
Setup Versatility
Generous back focus accommodates complex imaging trains and heavy camera gear.
System Compatibility
Specific design limits this to 9.25-inch Edge HD models exclusively.
Key Specs
Back Focus
146 mm
Connection Interface
3.3-inch / 16 TPI
Glass Type
Rare Earth Lanthanum
Warranty
2 years
Optical Design
4-element
Magnification Factor
0.7x
Telescope Compatibility
9.25-inch Edge HD
Know before you buy
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