Apertura Secondary Mirror Collimation Knobs
Adding these Secondary Mirror Collimation Knobs to you Apertura Dobsonian Telescope set up will make collimation a breeze!
There are three Apertura Secondary Mirror Collimation Knobs to replace each of the secondary collimation screws that originally come with your Apertura Dobsonian. You don't need a wrench, so you can quickly and easy collimate your Dob without worrying about damaging the telescope.
To install the Apertura Collimation Knobs, remove each of the factory secondary collimation screws and replace with the Apertura Collimation Knobs. Then you are ready to collimate your Apertura Dob!
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 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!
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
