Dielectric Star Diagonal 1.25" with Twist Lock 1.25" Dielectric Mirror Diagonal, Twist-Lock Dielectric Star Diagonal

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Dielectric Star Diagonal 1.25" with Twist Lock 1.25" Dielectric Mirror Diagonal, Twist-Lock Dielectric Star Diagonal

Regular Price: US$279.99

Special Price US$249.99

Availability: In stock

Supplier: Celestron

Category: Electronics Camera & Photo Accessories Telescope & Microscope Accessories Telescope Accessories Diagonals

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About Us

Celestron has been one of the optics leader for decades, ever since Tom Johnson unveiled the game-changing C8. We strive to continue his legacy by continually developing exciting products with revolutionary technologies. Here, you can learn all about our patented, one-of-a-kind innovations.

Ensure maximum light transmission without loss of optical quality with the Celestron Dielectric Star Diagonal, 1. 25” with Twist-Lock. Upgrade your existing star diagonal to this premium one and enjoy brighter, sharper images without replacing your telescope. This star diagonal reflects the telescope’s light path 90° to provide a more comfortable viewing angle. In addition, the glass has 58 layers of dielectric coatings, which provide an over 99% reflective surface, delivering the maximum amount of light to the eyepiece. The twist-lock eyepiece holder secures any 1. 25” eyepieces while keeping them centered in the diagonal, thus providing best opto-mechanical alignment between the telescope and eyepiece. Unlike traditional thumb screws, the twist-lock cannot scratch or engrave the barrel of your eyepieces. The twist-lock has an integrated 1. 25” barrel stop that prevents 1. 25” accessories with long barrels from damaging the mirror. All the diagonal’s mechanical parts are made of machined black anodized aluminum, except the twist lock rings, which are orange anodized for visibility. The interior of the barrel is glare threaded and painted flat black to prevent glare. With all its features and these high-end finishes, the Celestron Dielectric Star Diagonal, 1. 25” with Twist-Lock is one of the highest quality 1. 25" star diagonals that Celestron has ever offered. The key specifications for a star diagonal are its reflectivity and its optical quality. This diagonal delivers top performance in both categories, with an over 99% reflective mirror and diffraction-limited optical quality. This ensures that virtually all the light collected by the telescope will reach the eyepiece without the diagonal affecting optical performance. Using a lower quality star diagonal can both dim the view and degrade optical quality. You can enjoy better views from your telescope by simply swapping out its diagonal for a premium one, like the Celestron Dielectric Star Diagonal.

Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1. 25” Barrel. Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment. 58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the eyepiece. Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and cassegrain-type telescopes. Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings.

Country of Origin: China. Manufacturer: Celestron. Date First Available: July 18, 2019. Best Sellers Rank: #665 in Camera & Photo Products. Customer Reviews: 4.6 out of 5 stars 159 ratings 4.6 out of 5 stars. Item model number: 93571. : B07VRSL37R. Item Weight: 9.6 ounces. Product Dimensions: 5.2 x 4.3 x 3.8 inches.