iOptron Ritchey-Chretien Telescope
Best high performance optical tube for dedicated deep sky astrophotographers.
This optical tube assembly brings professional-grade mirror technology to serious imagers, eliminating common issues like image shift and chromatic aberration. It is a specialized tool designed for high-contrast, deep-sky photography that demands precision and stability.
$2888.00
at
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Who it's for
- Astrophotographers seeking crisp, edge-to-edge clarity in their deep-space images
- Long-exposure photographers requiring consistent framing and stable focus during tracking
- Observers in changing climates who need to start sessions quickly
Who should skip it
- Beginners who prefer a simple, low-maintenance plug-and-play optical system
- Visual observers prioritizing high-contrast views of planets and the moon
- Wide-field enthusiasts wanting to capture massive deep-sky structures easily
Performance breakdown
Imaging Precision
Ritchey-Chrétien optics virtually eliminate coma and spherical aberration for sharp astrophotography.
Thermal Stability
Quartz mirrors minimize focus shift during long, temperature-variable imaging sessions.
Focusing Control
Dual-speed linear-bearing focuser allows for granular, repeatable adjustments on faint targets.
Build Robustness
Solid construction ensures the optical train remains aligned under heavy camera payloads.
Contrast Performance
Internal knife-edge baffling effectively suppresses stray light for deeper, cleaner exposures.
Portability
Substantial weight and length require a serious, permanent mounting solution.
Key Specs
Aperture
250 mm
Focal Length
2000 mm
Focal Ratio
f/8
Optical Design
Ritchey-Chrétien Catadioptric
Focus Type
Dual-Speed Crayford
Total Weight
35.1 lbs
Optical Tube Length
28.4 inches
Max Magnification
295x
Included Accessories
Battery Holder, 2" Extension Ring, 2 x 1" Extension Rings
Warranty
1 Year
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Ask Metto anything about the iOptron Ritchey-Chretien Telescope before you decide.