Tag: Telescope

Orion Pentaprism Diagonal
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Orion Pentaprism Diagonal

The Orion Pentaprism 90-Degree Diagonal ($199.99US) is a non-inverting, non-reversing 1.25-inch diagonal. Unlike typical star diagonals, the Orion Pentaprism Diagonal does not produce a mirror-reversed image, which can make navigation and referring to star maps difficult while observing with your telescope. But unlike common correct-image diagonals, there is no image […]

Orion Linear BinoViewer
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Orion Linear BinoViewer

The Orion Linear BinoViewer ($499.99US) is so named because it employs a sliding linear housing for adjusting the interpupillary distance (IPD) instead of the traditional folding body. That matters, because the folding types are more prone to collimation problems, whereby the two barrels of the binoviewer become misaligned, causing double […]

Astro-Tech 152EDT Apo Refractor
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Astro-Tech 152EDT Apo Refractor

Astronomic’s Astro-Tech 152EDT f/8 triplet apo refractor ($3999US) features a massive 3-inch rack-and-pinion focuser with a built-in camera-angle adjuster. The triplet objective includes a low-dispersion FK-61 ED element, as well as a Lanthanum element. The Astro-Tech 152EDT OTA (with rings and both dovetails) weighs 29 pounds (13.1 kilograms). The focus […]

Zenithstar 103 Imaging F/6.9 Apo
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Zenithstar 103 Imaging F/6.9 Apo

  The heart of William Optics’ Super ZenithStar 103 f/6.9 imaging APO is a f/6.9 air-spaced FPL53 doublet housed in a CNC-machined ultra-precision lens cell. Add a 0.8x flattener/reducer, and the focal ratio becomes f/5.5. Focus duties are performed by the Zenithstar 103 ultra-robust 2.5-inch, 1:10 dual-speed, rack-and-pinion focuser with […]

Explore Scientific Celebrates Tenth Anniversary Offering Telescope Technology and More
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Explore Scientific Celebrates Tenth Anniversary Offering Telescope Technology and More

Explore Scientific is celebrating tenth university. Originally created as an amateur astronomy technology company offering Explore Scientific branded products, the company has grown into a business offering amateur astronomy, scientific optics, sports optics and adventure gear. The company was founded by its president, Scott Roberts, who has spent over 30 […]

Celestron NexYZ Smartphone Adapter
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Celestron NexYZ Smartphone Adapter

What makes the Celestron NexYZ Smartphone Adapter different from other smartphone adapters? Its three-axis adjustment. Most adapters only allow adjustment of your phone in two axes, X and Y, to center its camera over the optical axis of the eyepiece That works, but what about the all-important Z axis: spacing of […]