Celestron C5 SCT Optical Tube Assembly
 Celestron C5 SCT Optical Tube AssemblyCelestron C5 SCT Optical Tube Assembly 

Celestron C5 SCT Optical Tube Assembly

£495.00✓ 2 year warranty


Out of stock due 2-4 working days
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Please note the photo above is of the C6 SCT OTA.

About this product

Model:  c5_ota_91009
Part Number:  91009

The new Celestron C5 SCT is now available as an OTA option.

5” (125 mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission.

Telescope Field of View Simulator


Optical DesignSchmidt-Cassegrain
Aperture (mm)125 mm (5 in)
Focal Length (mm)1250 mm (49.2 in)
Focal Ratio10
Eyepiece 1 (mm)25mm
Magnification 150x
Highest Useful Magnification295x
Lowest Useful Magnification18x
Limiting Stellar Magnitude13
Resolution (Rayleigh)1.11 arc seconds
Resolution (Dawes)0.93 arc seconds
Light Gathering Power
(Compared to human eye)
Optical Tube Length356mm (14")
Optical Tube Weight3.08 kg (6.8lbs)

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