What is a Barlow Lens?
March 26, 2018
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CPWI Software
Take control of your telescope! Download the Celestron PWI Telescope Control Software
SkyPortal App
Celestron’s FREE planetarium app is an astronomy suite that redefines how you experience the night sky.
Using Telescope Eyepieces
Your eyepieces are the first accessories you should learn to use with your telescope. Read our guide!
General
March 26, 2018
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How to Calculate Telescope Magnification
March 26, 2018