Optical Tube Assemblies

This short-tube refractor telescope has wide field views, thanks to its achromatic objective lens of 80mm and focal length of 400mm.

The new Sky-Watcher BKP 150 OTAW Dual Speed incorporates superb mirror-set with two significant advantages

You expect nothing less than crystal-clear images in your scope, but what are you going to do with the mount and tripod you already have? Mount it with the saxon 250DS Astrophotography Newtonian Telescope, that's what!

Combined with the aperture of 254mm and focal length of 1200mm, this scope is great for prime-focus photography. Higher quality images can be achieved with the optional coma corrector.

Make the saxon 100 ED Refractor Telescope part of your astronomy journey with its quality optics and portability.

With an aperture of 100mm and a focal length of 900mm, this telecope is perfect for wide field photography of both land and sky objects. Weighing just under 4 kg, this OTA can easily be transported around and mounted on your choice of mount and tripod. 

For a high-performing telescope at an affordable price tag, your choice has to be the saxon 100 ED Refractor Telescope. 

The 6” Schmidt-Cassegrain optical tube offers 40% more light gathering ability than a 5” telescope. The Schmidt-Cassegrain design also eliminates chromatic aberration, making it a good choice for entry-level astroimaging.

NOTE: The recommended solar filters for this scope for solar observing are;

- the Orion 185 mm (7.17") Glass Solar Filter (Product No. 125081) or

- the Meade Glass White Light Solar Filter 172 - 180 mm (Product No. 125918).

You expect nothing less than crystal-clear images in your scope, but what are you going to do with the mount and tripod you already have? Mount it with the saxon 300DS Astrophotography Newtonian Telescope, that's what!

Combined with the aperture of 300mm and focal length of 1500mm, this scope is great for prime-focus photography. Higher quality images can be achieved with the optional coma corrector

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• 8" Schmidt-Cassegrain optical tube assembly (OTA)
• Features Celestron's premium patented StarBright XLT optical coatings
• 2032 mm focal length (f/10)
• Fastar compatible
• Tube constructed of durable and lightweight aluminum
• Includes: 25mm eyepiece (81x), 6x30 optical finderscope, star diagonal, 1.25” visual back, CGEM style dovetail bar

NOTE: The recommended solar filter for this scope for solar observing is the Astrozap Glass Solar Filter (Product No. 124451)