Setup, Gear and Care

Set up, align, collimate and connect your telescope, plus eyepieces, finders, filters and phone adapters.

  • Celestron Omni 2X Barlow Lens
    Setup, Gear and Care

    How to Calculate Telescope Magnification

    Learn how to calculate telescope magnification, compare eyepiece and Barlow combinations, and choose useful power for clear views of the Moon, planets, and stars.

  • SVBONY Laser Collimator
    Setup, Gear and Care

    How to Collimate a Newtonian Telescope

    Learn how to collimate a Newtonian telescope by checking the secondary and primary mirrors, making small adjustments, and confirming alignment before observing.

  • Celestron NexStar+ USB Hand Control
    Setup, Gear and Care

    How to Connect a Telescope to a Computer

    Learn how to connect a telescope to a computer by USB, WiFi, or camera. Check mount compatibility, choose software, set up the connection, and fix common problems.

  • Celestron AstroMaster 70AZ
    Setup, Gear and Care

    How to Set Up a Telescope for the First Time

    Learn how to set up a telescope for the first time, attach the mount and finder, align the finder, choose an eyepiece, and focus on a clear target.

  • Celestron Eyepiece, Barlow and Filter Kit
    Setup, Gear and Care

    Telescope Eyepieces Explained for Beginners

    Learn how telescope eyepiece focal lengths, magnification, field of view, and fit affect your view, then choose a practical first eyepiece or set.

  • Celestron StarPointer Red Dot Finder
    Setup, Gear and Care

    Telescope Red Dot Finder: Setup and Alignment

    Choose and align a telescope red dot finder with clear setup steps, practical buying advice, night-use tips, and fixes for common aiming problems.

  • Celestron 45 Degree Erect Image Diagonal
    Setup, Gear and Care

    Why Is My Telescope Image Upside Down?

    Why is my telescope image upside down? Learn how telescope optics and diagonals change image orientation, when it matters, and how to correct it.