
Celestron Advanced VX 6” RASA:
Fast, Portable, and Built to Capture the Cosmos
The Celestron Advanced VX 6" Rowe-Ackermann Schmidt Astrograph (RASA) is a deep-sky imaging powerhouse packed into a surprisingly compact package. Designed for astrophotographers who crave speed, precision, and portability, this f/2.2 astrograph is ready to take your imaging sessions to the next level—without the heavy mount, long exposures, or complex setup.
Key Features – Fast Optics in a Compact Frame
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Lightning-Fast Imaging at f/2.2
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Capture brilliant deep-sky targets with ultra-short sub-exposures
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Reduces total imaging time and often eliminates the need for autoguiding
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Perfect for live stacking and near real-time astrophotography
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Mobile Yet Mighty
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Weighs just 8.4 lbs—ideal for field work and travel setups
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Equipped with a CG-5 dovetail for wide mount compatibility
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Easily integrates into grab-and-go imaging rigs
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Expansive 3.8° Field of View
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Supports sensors up to 22mm diagonal
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Frame large nebulae, star fields, and galaxies with ease
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Sub-Arcsecond Imaging Potential
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Delivers stunning resolution when paired with high-res CMOS cameras
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Reveal subtle details in emission regions, clusters, and galaxy arms
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Professional-Grade Optics with XLT Coatings
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StarBright XLT coatings on all refractive/reflective surfaces maximize brightness and contrast
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Three-element lens group with rare-earth glass ensures pinpoint stars and minimized aberration
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Advanced Optical & Mechanical Design
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Patented RASA Optical Layout
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Schmidt corrector and fast primary mirror deliver a wide, flat field
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Removable 2” optical window allows filter swaps without altering back focus
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Optimized for wide-field performance at full f/2.2 speed
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Integrated Cooling & Dust Management
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MagLev fan system rapidly equalizes temperature and minimizes dust intrusion
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Improves image consistency and protects internal components
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Built-in Filter Drawer System
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Accepts 1.25" and 2" filters for flexibility across different imaging styles
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Easy-access design for fast swaps during multi-band sessions
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Includes M42 Camera Adapter
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Compatible with most OSC and mono CMOS cameras
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Provides a secure, standard connection for streamlined setup
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Upgrade-Friendly & Customizable
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Compatible with Celestron’s Focus Motor, dew shield, dew ring, and padded RASA bag
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Tailor your setup for automated focus, dew control, and safe storage
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Designed with modern imagers in mind—versatile, efficient, and intuitive
The Advanced VX 6” RASA is your gateway to fast, detailed, and wide-field astrophotography. Whether you're in the backyard or under dark skies, this compact astrograph puts professional performance within your reach—no compromises, just breathtaking results.
Specifications
Optical Tube Info: | |
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Optical Design: | Rowe-Ackermann Schmidt Astrograph |
Aperture: | 152mm (5.98") |
Focal Length: | 335mm (13.18") |
Focal Ratio: | f/2.2 |
Central obstruction diameter: | 77mm (3.03") (46% of aperture diameter) |
Light Gathering Power (Compared to human eye): | 472x |
Resolution (Rayleigh): | 0.91 arc seconds |
Resolution (Dawes): | 0.76 arc seconds |
Image Circle: | 16mm (0.63") Ø, 2.74° |
Useable field: | 22mm (0.86") Ø, 3.76°, only minimal performance loss at edge of FOV |
Wavelength range: | 400 - 700 nm |
Spot size: | < 1.5 μm RMS across image circle |
Optical Coatings: | StarBright XLT |
Off-axis Illumination: | 91% at 8mm (0.31") off-axis |
Back focus with included camera adapter: | 17.5mm (0.69") |
Optical Tube: | Aluminum |
Optical Tube Length: | 609.6mm (24") |
Optical Tube Diameter: | 177.8mm (7") |
Focuser: | Standard Schmidt-Cassegrain focuser |
Finderscope: | Not included |
Optical Tube Weight: | 8.4 lbs (3.8 kg) |
Other Features: | Air-cooling system, integrated filter mount |
Included items: | 42mm (1.65") T-thread camera adapter Fan battery pack Filter drawer with 2" clear filter |
Dovetail: | CG-5 Dovetail Bar |
Filter Drawer: | Accept 2" format filters, includes 1.25" filter adapter |
Clear Filter: | 2" filter, removable, AR coatings, 2mm glass thickness |
Cooling Fan: | 12V DC, MagLev |
Camera Mounting Threads: | M42 |
Solar Warning |
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California Residents | View Proposition 65 Warning |