Please use another browser such as Chrome, Edge, Firefox, or Safari for the best experience

Skip to content Celestron EclipSmart 10 Pack

Apertura 1.25" Carbon Dielectric Mirror Diagonal

Free shipping
SKU: APT-D1CF
$89.95

Add Apertura Air Blower for Lens Cleaning to your order

$9.99

Add Apertura Lens Pen Optics Cleaning Tool to your order

$8.99
 

Apertura 1.25" Carbon Dielectric Mirror Diagonal

This carbon fiber plated diagonal from Apertura is a must have tool for your astronomy setup!

Apertura has designed this diagonal with functionality, equipment safety, and aesthetics in mind. The sleek telescope diagonal accepts 1.25" eyepieces and includes 1.25" filter threads. The 1.25" eyepiece receptacle uses a steel compression ring and set screw to firmly hold your eyepieces in place.

The Dielectric coating on this 1/12th wave BK7 mirror has 99% reflectivity across the visible spectrum. This 1.25" Carbon Dielectric Mirror Diagonal has an approximate optical path length of 85mm.

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!