Category Archives: Hints and Tips

Astronomy for beginners – What is averted vision ?

Posted on November 20, 2025 by Reviewer
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Why do binocular rain guards have a slit on one side

Posted on October 14, 2025 by Reviewer

Ever wondered why there is a slit on one side of binocular rain guards / lens covers. It is not a fault, but a clever design. This short video will explain why

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Why do my binocular lenses fog up. Cause and a simple solution

Posted on December 7, 2023 by Reviewer

Binocular, spotting scopes , telescopes etc lenses often fog up when bringing them inside from a cold outside temperature. The video below shows the cause and an easy solution.

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Hawke universal smart phone adapter. How to use guide

Posted on September 20, 2023 by Reviewer

The Hawke universal smart phone adapter is the easiest to use solution we have tested. See the video for a full demo on how to use.

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Loose tripod bar on large binoculars. Solution

Posted on September 20, 2023 by Reviewer

Hope this quick fix helps improve the stability of your large binoculars, such as many 80mm and 100 / 110mm binoculars such as Helios, Visionary, Celestron, Orion , Hilkinson etc. Costs nothing to try

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Problems getting infinity focus with zoom eyepieces

Posted on October 10, 2018 by Reviewer

1.25″ telescope eyepieces come in two forms. Fixed focal lengths and zoom eyepieces, such as 8-24mm for example. What you will find though with some Newtonian reflectors is that you can not get infinity focus. This is due to there … Continue reading →

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How to connect an eyepiece to the Skywatcher Evoguide 50ED guidescope

Posted on October 9, 2018 by Reviewer

Ever wondered what the small adapter ring included with the Skywatcher evoguide 50 ED guide scope is for ?. This video shows what it is, and how to use it.

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Fully multi-coated optics Vs fully coated optics

Posted on August 14, 2017 by Reviewer

Hope this video gives a simple to understand practical demonstration on the benefits of Fully multi-coated optics when paired against fully coated optics. This is not saying fully coated optics are bad. There are many models and brands that give … Continue reading →

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How to collimate Celestron Skymaster 15×70 binoculars

Posted on August 2, 2017 by Reviewer

The video below applies to the Celestron Skymaster 15×70, 25×70, 20×80 binoculars plus the Cometron 12×70. Collimation is a very simple process with no dismantling needed. The adjustment screw is located under the rubber covering on the hand grips. I … Continue reading →

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How to fix a pair of Hawke Endurance PC 10×25 , 8×25 binoculars

Posted on August 2, 2017 by Reviewer

Over time you may find one of the barrels on your Hawke Endurance PC 8×25 and 10×25 binoculars has come lose. There is a very easy fix. Simple prise the top cover off with a screw driver to reveal a … Continue reading →

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