Knowledge Base
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Popular Articles
The Ultimate Guide to Celestron Optical Tubes
From refractors to reflectors to Cassegrains—there are so many telescope optical designs to choose from, each with its unique advantages and disadvantages. In this guide, our experts break down eac...
The Ultimate Guide to Celestron Optical Tubes
From refractors to reflectors to Cassegrains—there are so many telescope optical designs to choose from, each with its unique advantages and disadvantages. In this guide, our experts break down eac...
Should I use a tripod or a monopod?
A common question regarding tripods and monopods is, “Which one should I use?” The answer is a relatively simple one; however, it requires first answering three other questions first:What optic...
Should I use a tripod or a monopod?
A common question regarding tripods and monopods is, “Which one should I use?” The answer is a relatively simple one; however, it requires first answering three other questions first:What optic...
When should I use a tripod for my binoculars?
As far as stabilization goes, a well-made tripod will hold any standard field binocular firmly in place for long duration viewing.Standard (40mm to 56mm objective) and mid-size binoculars (30mm to...
When should I use a tripod for my binoculars?
As far as stabilization goes, a well-made tripod will hold any standard field binocular firmly in place for long duration viewing.Standard (40mm to 56mm objective) and mid-size binoculars (30mm to...
Does my Spotting Scope accept Astronomical Eyepiece & Filters?
Using Astronomical Eyepieces and Filters with Celestron Spotting ScopesOne of the features that makes Celestron’s Regal M2 ED, TrailSeeker, Hummingbird ED, C90, and C5 spotting scopes much more ver...
Does my Spotting Scope accept Astronomical Eyepiece & Filters?
Using Astronomical Eyepieces and Filters with Celestron Spotting ScopesOne of the features that makes Celestron’s Regal M2 ED, TrailSeeker, Hummingbird ED, C90, and C5 spotting scopes much more ver...
I need a shutter release cable for my Nexstar 4/5SE mount. Where can I f...
Unfortunately Celestron does not sell this cable separately from the scope. However, they are available online. Please reach out to any third-party dealer. Or you can make one. Here is...
I need a shutter release cable for my Nexstar 4/5SE mount. Where can I f...
Unfortunately Celestron does not sell this cable separately from the scope. However, they are available online. Please reach out to any third-party dealer. Or you can make one. Here is...
What's the difference between Variable Polarizing filter, the Neutral De...
Neutral Density Moon FilterThe 94105 Neutral Density Moon Filter is a filter that attaches to a 1.25” eyepiece that lowers the amount of light entering the eyepiece by 87%. In...
What's the difference between Variable Polarizing filter, the Neutral De...
Neutral Density Moon FilterThe 94105 Neutral Density Moon Filter is a filter that attaches to a 1.25” eyepiece that lowers the amount of light entering the eyepiece by 87%. In...