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Askar 71F Refractor
News

Askar 71F Refractor

The Askar 71F refractor from Sharpstar Optics is a quadruplet APO design offering 71mm aperture, 490mm focal length and a native focal ratio of f/6.9. With its quadruplet air spaced ED design, it removes chromatic aberrations offering sharp and pinpoint images for both astroimaging as well as observing. The Askar […]

ARTESKY 2″ Laser Collimator 650nm
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ARTESKY 2″ Laser Collimator 650nm

The Artesky 2″ Laser Collimator 650nm enables precise collimation of a Newtonian or Ritchey-Chrétien telescope. The collimator is powered by two AAA batteries and is crafted from brushed aluminum with a precisely calculated diameter of 2″ (50.8mm), fitting perfectly into a focuser. The projected laser beam, certified with a wavelength […]

ZWO ASI678MM Camera
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ZWO ASI678MM Camera

The ZWO ASI678MM camera is among the latest offerings from ZWO providing an excellent mono camera option for planetary, lunar and solar imaging. It utilizes the latest Sony IMX678 sensor with Sony’s STARVIS 2 technology which helps produce exceptional image quality through its back illuminated sensor design. The increased sensitivity […]

Pegasus Astro SmartEye
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Pegasus Astro SmartEye

The Pegasus Astro SmartEye is a hybrid device that offers an advanced light-sensitive image sensor that transitions between Electronically Assisted Astronomy (EAA) and traditional eyepiece observing. The SmartEye easily slots into a telescope focuser, just like a regular optical eyepiece. For more advanced imagers, SmartEye is also a versatile astro-camera […]

Apertura 75Q Refractor
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Apertura 75Q Refractor

The Apertura 75Q refractor from High Point Scientific is a fully corrected quintuplet refractor utilizing Sharpstar FCD optics. Designed specifically for astrophotography, the Apertura 75Q provides near-perfect color correction and full-frame compatibility without the need for an external flattener. The Apertura 75Q refractor offers a Petzval design that eliminates the […]

APM 25×100-L MS Binoculars
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APM 25×100-L MS Binoculars

The new APM 25×100-L MS Binoculars are among the latest big astronomical binoculars in the in the APM Magnesium Series. The “L” designation represents the fact that these binoculars are longer and heavier, and their focal length helps increase the ability to correct chromatic aberration and field correction. All APM […]

Vixen SX2WL Mount
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Vixen SX2WL Mount

The Vixen SX2WL mount adds WiFi functionality to the venerable Vixen SX2’s accurate micro-step motion control technology that is achieved with highly stable and smooth rotations of pulse motors. By controlling the mount with a smartphone using the free STAR BOOK Wireless app, it is easy to use sky navigation […]

ATT Volume 18 Issue 2
Issues

ATT Volume 18 Issue 2

In this issue Matt Harmston shows how establishing back-focus can be an iterative process requiring repeated confirmation and/or refinement of other observing system characteristics; Paul Temple describes his experiences with a classic Celestron 6” achromatic refractor nicknamed “The Beast!”; Rafael Fiol discusses how he designed and printed a 3D Newtonian […]

Celestron Tabletop Tripod
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Celestron Tabletop Tripod

The Celestron Tabletop Tripod eliminates the need for a full-height tripod and provides grab-and-go convenience when added to the Celestron NexStar Evolution, NexStar SE and now, the new Celestron Origin telescope. Compact and sturdy, the Celestron Tabletop Tripod is half the size and weight of a standard tripod, making it […]

Founder Optics Draco 62 ED
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Founder Optics Draco 62 ED

The Founder Optics Draco 62 ED is a high quality, transportable and versatile telescope for both visual and photographic use. It offers a f/4.8 quintuplet refractor that can be reduced to a fast f/3.9 when utilizing the included 0.83X reducer. The telescope features a five-element air-space design using ED glass. […]