Tag Archives: telescope

New Skywatcher AZ-GOTO telescope spec

Posted on July 27, 2012 by Reviewer

  New for 2012.   The Skywatcher Synscan AZ GOTO telescopes listed below are now being supplied as standard with a x2 Barlow lens. All prices remain unchanged. The x2 Deluxe Achromatic Barlow (with T-thread) is included with all below models except … Continue reading →

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Will my National Geographic telescope accept 1.25″ filters ?

Posted on April 25, 2012 by Reviewer

National Geographic telescopes are readily available from a well known catalogue shop. The problem is that some of their eyepieces are not threaded to accept astronomical 1.25″ filters. This is not a problem if you don,t require additional filters. But … Continue reading →

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Kelper Optik H20mm 1.25″ erect image eyepiece review

Posted on January 11, 2012 by Reviewer

Decided to give the Kelper Optik H20mm erect image eyepiece a work out. For testing I used a Skywatcher Skyhawk 114 reflector telescope. The targets were street lights and buildings around 5 miles away. Designed more for terrestrial use rather … Continue reading →

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What is a refractor telescope

Posted on December 3, 2011 by Reviewer

      What is a refractor telescope There are three basic ways to bring light rays to a focal point. The earliest method used by telescope makers, was to bend the rays by passing them through one or more … Continue reading →

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How much magnification can I use with my telescope?

Posted on November 22, 2011 by Reviewer

 Everyones telescope is different, but a rough rule of thumb is around 30-50X per inch diameter of the main lens/mirror. A good ED refractor may, however, use 100X/inch on bright objects, so this is not a hard rule. You can always increase … Continue reading →

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