Celestron Rowe-Ackermann Schmidt Astrograph
Best high speed optical system for serious deep sky astrophotography enthusiasts.
This specialized astrograph is built for speed, turning long, tedious deep-sky exposures into quick, efficient captures. It sacrifices visual versatility for pure imaging performance, making it a dedicated tool for photographers who want to spend less time waiting and more time collecting light.
$2199.00
at
Adorama
More RASA options
Who it's for
- Astrophotographers wanting high-quality images during short observation windows
- Wide-field imagers targeting large celestial structures and deep-sky surveys
- Detail-oriented creators requiring sharp edge-to-edge performance for large sensors
Who should skip it
- Visual observers or those preferring traditional rear-mounted camera setups
- Narrowband specialists who rely on automated filter wheel systems
- Beginners who may find technical optical adjustments intimidating or tedious
Performance breakdown
Imaging Speed
The f/2.0 focal ratio captures deep-sky data incredibly fast.
Field Flatness
Delivers edge-to-edge sharpness without the typical distortion of slower systems.
Thermal Management
Integrated cooling system stabilizes optics rapidly for consistent, sharp results.
Focus Precision
Ultra-stable focusing mechanism ensures pinpoint stars throughout long exposures.
Portability
Compact design makes high-end astrophotography surprisingly easy to transport.
Light Transmission
StarBright XLT coatings maximize photon collection for faint celestial details.
Key Specs
Aperture
203.2 mm
Focal Length
400 mm
Focal Ratio
2.0
Optical Design
Rowe-Ackermann Schmidt Astrograph
Optical Coatings
StarBright XLT
Total Weight
17 pounds
Intended Use
Deep-sky astrophotography
Included Accessories
Integrated air-cooling system
Power Source
Battery (for cooling system)
Know before you buy
Still have a question?
Ask Metto anything about the Celestron Rowe-Ackermann Schmidt Astrograph before you decide.