Monthly Archives: June 2021

What is an aperture mask for a telescope

Posted on June 25, 2021 by Reviewer

Often integrated into a telescope lens / OTA cover, an aperture mask reduced the effective diameter of the main objective lens or mirror. Although you lose resolution, you also reduced the effects of atmospheric turbulence under bad seeing conditions. Also … Continue reading →

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Celestron astromaster 102 AZ review

Posted on June 25, 2021 by Reviewer

The Celestron astromaster 102AZ is a great example of a telescope that proves high magnification and large aperture are not an essential requirement when starting out in astronomy. If you are starting out, the simple AZ mount and straight though … Continue reading →

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Hawke Endurance ED 8×25 monocular review

Posted on June 10, 2021 by Reviewer

The Hawke Endurance 8×25 ED monocular is an ultra compact solution, weighing only 150g. Ideal for keeping in a pocket or hanging from your wrist with the strap included. Can also be attached to a belt , using the soft … Continue reading →

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