Monthly Archives: June 2013

Why does my Celestron Firstscope give an upside down image

Posted on June 26, 2013 by Reviewer

If everything is upside down when you use your telescope, don’t be alarmed. Astronomical telescopes are designed to give an upside down or inverted image. This is not a problem when looking at the sky, since orientation relative to the … Continue reading →

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How to store a Celestron SCT telescope

Posted on June 26, 2013 by Reviewer

It’s best to protect your telescope from the elements and bring it inside between observing sessions. Allow the scope to warm up when bringing it inside. Uncover all optics and let the tube and tripod sit in the open. Moisture … Continue reading →

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What is a Newtonian reflector

Posted on June 26, 2013 by Reviewer

Newtonians are a type of reflecting telescope. A concave parabolic primary mirror at the back of the telescope collects and focuses incoming light onto a flat secondary (diagonal) mirror that in turn reflects the image out of an opening at … Continue reading →

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What does star magnitude mean

Posted on June 26, 2013 by Reviewer

Astronomers use a system of magnitudes to accurately measure the brightnesses of astronomical objects. An object is said to have a certain numerical magnitude. The larger the magnitude number, the fainter the object. Each object with an increased number (next … Continue reading →

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What is a star diagonal

Posted on June 26, 2013 by Reviewer

A star diagonal is a prism or mirror set to direct light at a 90-degree angle to the telescope’s optical axis. It’s an ergonomic accessory to make viewing of the sky more convenient and comfortable for objects nearly overhead or … Continue reading →

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What is a finderscope

Posted on June 26, 2013 by Reviewer

A telescope finderscope a small telescope attached to the main telescope optical tube assembly. It is of low power with a wide field of view and assists you in pointing to find objects to observe through the main telescope. Crosshairs … Continue reading →

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Can you take prime focus photographs through a Celestron Regal F-ED spotting scope

Posted on June 26, 2013 by Reviewer

Using a t-adapter and no eyepiece (prime focus) you can not achieve focus with a Celestron Regal F-ED spotting scope. This applies for t-adapters with and without a barlow lens attached. To take images with your SLR camera through the … Continue reading →

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Zeiss Victory HT binoculars

Posted on June 24, 2013 by Reviewer

A revolution with up to more than 95% light transmission. Up to more than 95% light transmission – this revolutionary value allows you to experience nature in a whole new dimension. The new VICTORY HT range benefits from an innovative … Continue reading →

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Celestron Nightscape 8300 CCD Camera

Posted on June 24, 2013 by Reviewer

Quick Overview Uses the famous KAF-8300 CCD that imagers have grown to love, due to the high resolution, low noise, great sensitivity and affordable cost. A large 22.5mm diagonal CCD chip offers 8.3 megapixels of resolution. That means capturing a … Continue reading →

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Celestron Edge HD 8 Optical tube assembly

Posted on June 24, 2013 by Reviewer

Quick Overview 8″ EdgeHD Optical Tube Assembly Aluminum Optical Tube Celestron’s premium StarBright XLT coatings 2032 mm focal length (f/10) 40 mm eyepiece included (51x) Visual back allows for use with 1.25″ accessories 9×50 finderscope to help accurately find objects … Continue reading →

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