Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
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  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro

Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA

1.999,00 €
Impuestos incluidos

6" Rowe-Ackermann Schmidt Astrograph, 335 mm f/2.2, 16 mm Ø (2.74°) image circle, CG-5 (Vixen-style) dovetail.

Manufacturer model: Celestron 91071 · Specifications checked against manufacturer data on 2026-11-06

Celestron RASA 6 Rowe-Ackermann Schmidt Astrograph OTA

6" Rowe-Ackermann Schmidt Astrograph, 335 mm f/2.2, 16 mm Ø (2.74°) image circle, CG-5 (Vixen-style) dovetail.

The Rowe-Ackermann Schmidt Astrograph (RASA) is a dedicated imaging telescope: the camera sits at the front of the tube, at prime focus, giving an extremely fast focal ratio and a flat, colour-corrected field. Exposures are a fraction of those needed at f/7–f/10, and short exposures often make autoguiding unnecessary. Imaging only, not for visual use. Check that your camera's body is small enough for the front-mounted position (dedicated astro CMOS cameras are ideal; most DSLRs are not suitable).

Optical

Optical designRowe-Ackermann Schmidt Astrograph (RASA)
Aperture152 mm (6")
Focal length335 mm
Focal ratiof/2.2
Image circle16 mm Ø (2.74°)
Usable field22 mm Ø (3.76°), minimal loss at the edge
Wavelength range400–700 nm
Spot size< 1.5 µm RMS across image circle
Off-axis illumination91% at 8 mm off-axis
CoatingsStarBright XLT
Central obstruction77 mm (50.7% of aperture)
Cooling12 V DC MagLev fan

Mechanical and package

Back focus with included camera adapter17.5 mm (M42 camera thread)
FocuserStandard Schmidt-Cassegrain focuser
Tube length500.5 mm
Tube diameter177.8 mm
Weight3.8 kg
DovetailCG-5 (Vixen-style) dovetail bar
FinderscopeNot included
Included42 mm (M42) T-thread camera adapter; fan battery pack; filter drawer with 2" clear filter (takes 2" filters, 1.25" adapter included)

Manufacturer documentation

Specifications from Celestron's official product page (model 91071), checked 2026-11-06. Supplier: Nimax item 86259.

86259

Ficha técnica

Apertura (mm)
152
Tratamientos
StarBright XLT
Cola de milano
CG-5 (Vixen-style)
Focal (mm)
335
Relación focal
f/2.2
Círculo de imagen (mm)
16
Diseño óptico
Rowe-Ackermann Schmidt Astrograph (RASA)
Diámetro del tubo (mm)
177.8
Longitud del tubo (mm)
500.5
Peso (kg)
3.8

Referencias específicas

ean13
4047825060471
MPN
91071
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