From $2,383.95
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The Rowe-Ackermann Schmidt Astrograph (RASA) 6 is a compact powerhouse engineered with ultra-fast f/2.2 optics, delivering exceptional performance for deep-sky astrophotography without sacrificing portability. Its f/2.2 design dramatically shortens exposure times, making it easier to capture crisp, detailed images of faint deep-sky objects without the heavy burden of extended tracking. The wide 3.8° field of view, optimized for sensors up to 22mm diagonal, makes it ideal for framing expansive celestial targets, while Celestron's XLT coatings maximize light transmission for bright, high-contrast images. Weighing just 8.4 pounds and sporting a fast f/2.2 focal ratio, this 6" astrograph is a deep-sky imaging powerhouse designed for on-the-go astrophotographers and backyard imagers alike.
| Aperture | 152 mm |
| Weight | 8.4 lb |
| Camera Adapter | M42 T-thread |
| Integrated Filter Drawer | ✓ |
| Flat Field Performance | ✓ |
| Cooling Fan | 12V MagLev |
| Focal ratio | f/2.2 |
| Maximum Sensor Diagonal | 22 mm |
| Sub-Arcsecond Resolution | ✓ |
| Field of View | 3.8° |
| Optical design | Rowe-Ackermann Schmidt Astrograph (RASA) |
| Dovetail Type | CG-5/Vixen Compatible |
| Focal length | 335 mm |
| Back Focus Distance | 17.5 mm |