From $1,453.95
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The Celestron RASA 6 is a compact Rowe-Ackermann Schmidt astrograph engineered specifically for fast, wide-field deep-sky imaging with its exceptional f/2.2 focal ratio and 335mm focal length. Weighing just 8.4 lbs, this 6-inch astrograph is purpose-built for astrophotography, delivering sharp, coma-free images across a 3.8° field of view optimized for modern CMOS and mirrorless cameras up to 22mm diagonal sensors. With ultra-fast optics that dramatically reduce exposure times and integrated features like a 2-inch filter drawer and 12V MagLev cooling fan, the RASA 6 offers professional-grade imaging performance in a highly portable package suitable for both backyard and remote dark-sky observing.
Celestron
6” Rowe-Ackermann Schmidt Astrograph (RASA 6) Optical Tube Assembly (CG-5 Dovetail)
$1,453.95
Astronomics
6” Rowe-Ackermann Schmidt Astrograph (RASA 6) Optical Tube Assembly (CG-5 Dovetail)
$1,699.00
High Point Scientific
6” Rowe-Ackermann Schmidt Astrograph (RASA 6) Optical Tube Assembly
$1,699.00
Agena Astro
Celestron RASA 6" Rowe-Ackermann Schmidt Astrograph OTA
$1,699.00
Astronomy Plus
6” Rowe-Ackermann Schimdt Astrograph OTA - RASA 6 (91071)
CA$2,360.00
~$1,733.76
Astroshop.eu
Telescope Astrograph S 152/335 RASA 6 OTA
€1,999.00
~$2,373.07
First Light Optics
Celestron 6" Rowe-Ackermann Astrograph (RASA 6)
£1,999.00
~$2,722.67
| Field of View | 3.8° |
| Optical Coatings | StarBright XLT |
| Optimal Sensor Diagonal | 22 mm |
| Focal ratio | f/2.2 |
| Optical design | Rowe-Ackermann Schmidt Astrograph |
| Useable Field | 22 mm |
| Back Focus Distance | 17.5 mm |
| Focal length | 335 mm |
| Cooling System | 12V MagLev fan |
| Aperture | 152 mm |
| Weight | 3.8 lb |
| Filter Drawer | 1.25 and 2 inch filters |