If you own an SCT telescope with a collimatable cell, then the Buckeyestargazer Duncan masks are for you. Easily and quickly collimate your SCT with these superb masks.

A Duncan Mask can be used to easily and quickly collimate your SCT. Instructions are included.

A TriBahtinov mask operates under the same principle as the Bahtinov mask for focusing and adds the ability to collimate scopes with collimatable optics.

A TriBahtinov mask operates under the same principle as the Bahtinov mask for focusing and adds the ability to collimate scopes with collimatable optics.

A TriBahtinov mask operates under the same principle as the Bahtinov mask for focusing and adds the ability to collimate scopes with collimatable optics.

A TriBahtinov mask operates under the same principle as the Bahtinov mask for focusing and adds the ability to collimate scopes with collimatable optics.

Smoothly align your Schmidt-Cassegrain or EdgeHD optical tube with this 9x50 illuminated finderscope, which makes pointing as easy and comfortable as possible.

Second Hand Peli iM2975 Storm Case in great condition.

Please note this is a second hand item. Great condition. Only one at this price. 

High quality made 2" - 1.25" clicklock reducer. Perfect to use with the Steeltrack S58 clicklock 2" adpator. For use with the heavier accessories.

High Quality 68 Degree Eyepiece
Modular dual 31.7mm/50.8mm widefield eyepieces that performs as well as eyepieces three times its price. Will work in conjunction with a Baader adaptor ring to mount a camera directly onto the eyepiece.

Please note this is a second hand item. Great condition and comes in its original box. Only one at this price. 

Converts the Baader Hyperion Clickstop zoom into a 3.5mm to 10.5mm high power zoom eyepiece for greater magnification when needed. Also connects via the included T thread adaptor to a T ring for high power astro imaging.

Please note this is a second hand item. Great condition and comes in its original packaging. 

Screws directly to SCT telescopes with a standard 2" threaded back such as the Meade 8" and the Celestron 8" and 9 1/4".

Adds GPS to Celestron computerised telescopes for accurate alignment, without the need to manually enter time and location. Improve the accuracy of your initial star alignments by plugging in the GPS module into your telescope's drive base port. The SkySync will link up and automatically download the exact time, date longitude and latitude from one of many global positioning satellites.

Adds GPS to Celestron computerised telescopes for accurate alignment, without the need to manually enter time and location. Improve the accuracy of your initial star alignments by plugging in the GPS module into your telescope's drive base port. The SkySync will link up and automatically download the exact time, date longitude and latitude from one of many global positioning satellites.

The new Sky-Watcher EXPLORER-150PDS Newtonian Reflector incorporates the same superb mirror-set as the Explorer-150P Black Diamond Series, but with two significant advantages. A Dual-Speed 10:1 ratio focuser is now included for excellent focusing precision. 

Properly designed Barlows do wonderful things: They amplify power, slow the telescope's f/# (improving eyepiece sharpness), and give designers the opportunity to compensate for eyepiece aberrations.

Optically Improved Successor Of The Axiom Eyepieces

Optically improved successor of the famous Axiom line of eyepieces, but now compatible with 1.25" eyepiece holders, somewhat lighter and even more affordable than its predecessor...

Celestron’s signature orange-tube telescope combines advanced features and excellent optics in one easy-to-use system, the NexStar 4SE. It’s the perfect choice for your first serious telescope, offering striking views at an economical price.