Celestron Optical Tube Assemblies



Celestron Optical Tube Assemblies are available separately - both XLT and EdgeHD versions.  Please choose from the list below.

New this year - CELESTRON ROWE-ACKERMANN SCHMIDT ASTROGRAPH!

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Celestron C90 MAK SPOTTING SCOPE

Celestron C90 MAK SPOTTING SCOPE£229.00   £218.00

The Maksutov optical design is recognized for being a portable design that is easy to use and has a variety of applications, making it an excellent choice for both terrestrial and astronomical usage. This C90 Mak has excellent optics with razor sharp images over a wide field.

Celestron C5 SPOTTING SCOPE

Celestron C5 SPOTTING SCOPE£599.00   £570.00

Celestron’s C5 Spotting Scope is a 5" (127mm) aperture, 1250mm f/10 Schmidt-Cassegrain optical system. Its optical excellence is the reason it was chosen by NASA for many space shuttle missions.

Celestron C6-A XLT OTA

Celestron C6-A XLT OTA£749.00   £711.00

Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount.

Celestron C8-A XLT (CG5) OTA

Celestron C8-A XLT (CG5) OTA£1,129.00   £1,069.00

 Each OTA is made to the same exacting standards as those used on all our high quality telescopes. 

Celestron C8-A XLT (CGE) OTA

Celestron C8-A XLT (CGE) OTA£1,129.00   £1,069.00

 All optical surfaces are coated with Celestron’s high efficiency StarBright® multi-layered coating group

Celestron EDGEHD 800 / Advanced OTA

Celestron EDGEHD 800 / Advanced OTA£1,549.00   £1,289.00

This Optical Tube Assembly (OTA) is the same as 91030 XLT except this is version is supplied with the universal CG-5 dovetail bar to fit Vixen, SkyWatcher and Celestron mounts.

Celestron EDGEHD 800 / CGE OTA

Celestron EDGEHD 800 / CGE OTA£1,549.00   £1,289.00

Introducing Celestron's New Aplanatic Schmidt Telescope Design!

Celestron C9.25-A XLT (CG5) OTA

Celestron C9.25-A XLT (CG5) OTA£1,625.00   £1,539.00

hese tube assemblies are equipped with the same dovetail mounting bar used on the CGE and Advanced Series for easy attachment to a variety of popular mounts.

Celestron C9.25-A XLT (CGE) OTA

Celestron C9.25-A XLT (CGE) OTA£1,625.00   £1,539.00

Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. 

Celestron C11-A XLT (CG5) OTA

Celestron C11-A XLT (CG5) OTA£2,175.00   £2,065.00

Each OTA is made to the same exacting standards as those used on all our high quality telescopes.

Celestron C11-A XLT (CGE) OTA

Celestron C11-A XLT (CGE) OTA£2,175.00   £2,065.00

Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. 

Celestron EDGEHD 9.25 OTA

Celestron EDGEHD 9.25 OTA£2,750.00   £2,479.00

EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. 

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