Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
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  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro
  • Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA | PixelSkiesAstro

Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA

€20,995.00
Tax included

14" (36 cm) Rowe-Ackermann Schmidt Astrograph, 790 mm f/2.2, 60.1 mm Ø (4.4°) image circle, CGE dovetail.

Manufacturer model: Celestron 91078 · Specifications checked against manufacturer data on 2026-11-06

Celestron RASA 36 V2 Rowe-Ackermann Schmidt Astrograph OTA

14" (36 cm) Rowe-Ackermann Schmidt Astrograph, 790 mm f/2.2, 60.1 mm Ø (4.4°) image circle, CGE 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)
Aperture356 mm (14" (36 cm))
Focal length790 mm
Focal ratiof/2.2
Image circle60.1 mm Ø (4.4°)
Usable field70 mm Ø (5.1°), minimal loss at the edge
Wavelength range400–900 nm
Spot size< 6.3 µm RMS across field
Off-axis illumination83% at 30 mm off-axis
CoatingsStarBright XLT
Central obstruction158 mm (44% of aperture)
Optical window104 mm Ø
CoolingVentilation fan; dual dovetail bars

Mechanical and package

Back focus with included camera adapter55 mm with included adapter; 77.5 mm from top of threaded collar
FocuserUltra-Stable Focus System (minimises lateral primary-mirror movement)
Tube length1079.5 mm
Tube diameter406.4 mm
Weight34.02 kg
DovetailCGE dovetail bar
FinderscopeNot included
Included48 mm camera adapter; fan battery pack

Manufacturer documentation

Specifications from Celestron's official product page (model 91078), checked 2026-11-06. Supplier: Nimax item 64627.

64627

Data sheet

Aperture (mm)
356
Coatings
StarBright XLT
Dovetail
CGE
Focal length (mm)
790
Focal ratio
f/2.2
Image circle (mm)
60.1
Optical design
Rowe-Ackermann Schmidt Astrograph (RASA)
Tube diameter (mm)
406.4
Tube length (mm)
1079.5
Weight (kg)
34.02

Specific References

UPC
050234910781
MPN
91078
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