ZWO 1.25" Atmospheric Dispersion Corrector
Best precision tool for planetary astrophotographers seeking sharper, clearer celestial images.
Elevate your stargazing experience with this advanced accessory designed to combat atmospheric distortion. It effectively reduces color fringing and chromatic aberration, ensuring sharper, clearer views of celestial objects. The compact unit features a built-in bubble level for precise alignment, making setup straightforward. Integrated adapters ensure compatibility with standard equipment, allowing you to capture stunning images of the night sky with enhanced detail and clarity. This tool is essential for serious astronomers seeking pristine astronomical observations.
$128.00
Owner Satisfaction
4.5
/ 5
Category Rank
1873
/ 2593
#1873 in Telescope Accessories
Price vs Category Average
-81%
Below average
Accessory Connection
2
/ Both Female/ Both T
Who it's for
- Planetary photographers capturing targets near the horizon
- Detail-oriented observers needing precise, repeatable color correction
- ZWO camera users seeking seamless imaging train integration
Who should skip it
- Casual imagers preferring a quick, hassle-free setup
- Users with limited back focus on their telescope
- Astrophotographers prioritizing maximum light transmission for faint objects
Performance breakdown
Chromatic Correction
Effectively eliminates color fringing for crisp, high-contrast planetary views.
Optical Precision
High-grade surface accuracy ensures minimal light scatter during long exposures.
Ease of Alignment
Integrated bubble level makes orientation quick and intuitive for beginners.
Build Quality
Robust aluminum construction provides long-term durability for frequent field use.
System Compatibility
Standard T2 threading integrates seamlessly into most existing imaging setups.
Compact Design
Low-profile body prevents focus issues with limited back-focus telescopes.
Key Specs
Accessory Connection
Both Female/ Both T2
Deviation Angle
2 degrees
Height of Body
30mm
Included Adapters
Two 1.25in/ One for each end
Surface Accuracy
Wavelength/10 at 632.8nm
Material
Aluminum
Connection Interface
1.25 inch
Accessory Type
Adapter
Know before you buy
As light passes through the Earth's atmosphere, it refracts like a prism, causing colors to separate and blur. This corrector uses adjustable prisms to realign those wavelengths, significantly reducing color fringing on planets and the moon for a much sharper image.
Yes, the unit is designed for standard 1.25-inch equipment. It comes with two 1.25-inch adapters that feature female T2 threads, making it compatible with most common eyepieces and cameras.
The device features a built-in bubble level that helps you orient the corrector properly relative to the horizon. Proper alignment is crucial to ensure the prisms are compensating for atmospheric distortion in the correct direction.
The 30mm body height is relatively compact, but you should always account for this added distance in your optical train. Ensure your focuser has enough travel to accommodate the extra length, especially if you are using it for astrophotography.
It is highly effective for both. While visual observers will notice clearer planetary details, it is particularly essential for planetary imaging, where color fringing can be amplified by sensor sensitivity.
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Ask Hayley anything about this product before you decide.
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$128