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Skip to content Celestron EclipSmart 10 Pack

Apertura Secondary Mirror Collimation Knobs

(10+ Available)
SKU: APT-CK
$18.95
 

Apertura Secondary Mirror Collimation Knobs

Collimating your Apertura Dobsonian Telescope is a breeze with these Secondary Mirror Collimation Knobs from Apertura! Included are three Apertura Secondary Mirror Collimation Knobs to replace each of the secondary collimation screws originally included with your Apertura Dobsonian. No wrench is required for collimation, so you can quickly and easy collimate your Dob without worrying about damaging the telescope.

For installation instructions, please see the "Apertura Dobsonian Collimation Knobs User Manual" in Product Attachments.

These collimation knobs are also compatible with Celestron StarSense Explorer 8" and 10" Dobsonians!

This Product Comes with the Apertura Absolute Warranty!

  • Two-Year Warranty against product defects.
  • Three-Year Accident Replacement Program that begins after your initial 2 year warranty expires.
  • Your Apertura Absolute Warranty is transferable.

Download a copy of the Apertura Absolute Warranty for more information on this program, how to make a claim, and why it is important to keep your original receipt and the product's original boxes & packaging!