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8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
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  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
  • 8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)

Celestron RASA 8 Rowe-Ackermann Schmidt Astrograph with CGE Dovetail

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1,922.80CHF Save 5%
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Celestron RASA 8 Rowe-Ackermann Schmidt Astrograph with CGE Dovetail

Celestron RASA 8 Rowe-Ackermann Schmidt Astrograph with CGE Dovetail

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Celestron RASA 8 Rowe-Ackermann Schmidt Astrograph with CGE Dovetail

DESCRIPTION
The 8” Rowe-Ackermann Schmidt Astrograph (RASA) provides a flat field with no optical aberrations across a 22 mm image circle, and minimal degradation up to 32 mm. With a focal ratio of f/2.0, it enables significantly shorter exposure times, perfect for real-time stacking or high-efficiency imaging.

It features an integrated Ultra-Stable Focus System using a precision linear bearing to minimize image shift, along with a built-in 12V MagLev fan for rapid thermal stabilization and dust filtering. The internal filter mount allows seamless integration of light pollution filters. Optimized for 400–800 nm wavelengths, it excels with modern color sensors.

This telescope is not designed for visual use. It pairs easily with lightweight equatorial mounts and supports a wide range of camera formats, excluding standard DSLRs.

TECHNICAL SPECIFICATIONS

Optical Design: Rowe-Ackermann Schmidt Astrograph
Aperture: 203 mm (8")
Focal Length: 400 mm
Focal Ratio: f/2.0
Central Obstruction: 93 mm (46%)
Image Circle: 22 mm (usable up to 32 mm)
Wavelength Range: 400–800 nm
Spot Size: < 2.3 µm RMS
Resolution (Rayleigh): 0.68 arcsec
Resolution (Dawes): 0.57 arcsec
Light Gathering Power: 843x human eye
Optical Coatings: StarBright XLT
Focuser: Ultra-Stable Precision Bearing System
Cooling: Integrated MagLev fan (12V DC)
Internal Filter Mount: Yes
Back Focus (with adapter): 25 mm
Tube Material: Aluminum
Tube Length: 628 mm
Tube Diameter: 235 mm
Tube Weight: 7.7 kg (17 lbs)
Dovetail: CGE style
Included Accessories: C and T-thread adapters, fan battery pack
Compatible Cameras: C-mount, M42-thread, APS-C mirrorless (Sony, Canon), CMOS/CCD cameras

CELESTRON 8 Pouces RASA

Specific References

UPC
130857