Charles Goebel
Charles Goebel
Charles holds a Master’s degree in Physics Engineering (optics and photonics specialization), has been teaching physics at school for almost 15 years and recently has started teaching a course on optics at a local university. Our irreplaceable website expert.

Latest articles

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Telescope vs Microscope: How Much Difference is There?
Frankly, there’s no telescope vs microscope competition because both instruments have very different applications. Notwithstanding, they share a few similarities, including the magnification of the view of objects that are invisible to the unaided eye. Trust us, there’s a lot to learn about telescopes and ...
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How to Clean Binoculars?
Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (
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8 Fantastic Night Vision Goggles under $500 – Reliable Tools for Tracking and Observing Animals!
Are you a passionate hunter who needs night vision goggles to see the environment clearly? Do you enjoy watching birds and other animals in their habitats? Here is the good news – you don't have to pay a fortune to buy nighttime observation equipment. In this article, you will find the best night vision goggles under ...
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5 Best Binoculars for Alaska Cruise – Enjoy an Unforgettable Experience to the Fullest!
Cruising in Alaska is fun, but a whack bino makes the experience unpleasant. Most sellers brag about their waterproof and fog proof equipment that promise heaven but leave you cursing when you’re not even halfway on your trip. You deserve a great bino to capture the birds, wild game and more while maneuvering in the ...
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6 Best Binoculars for Concerts – Catch Every Tiny Detail of a Spectacle!
Finding the best binoculars for concerts can be a challenge. But it all comes down to finding the right one that will give you the best in terms of quality and performance. You may be sitting far away from the stage because you scored some last-minute tickets. We’ll be looking at six of the best binoculars that are ...
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How to Adjust Bow Sights?
The use of sight can considerably increase your shooting performance. The sight is an accessory used to point your bow at the target. Behind this apparent simplicity hides a multitude of subtleties. Among the accessories for archery, the sight is undoubtedly one of the most used, but unlike others, adjusting it is not ...
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Types of Binoculars – for Any Ocassion
Binoculars are a trendy tool. They are basically used to seeing what the eyes would normally not see clearly, hence their popularity. They help bring distant objects into focus, and people are willing to pay well for these 'visual aids. Not all binoculars are the same, though, and the layman cannot be faulted for ...
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7 Best Telescopes under $1000 – Excellent Quality That Doesn’t Break the Bank
Did your love for the night sky first begin by looking through a telescope? For kids and adults alike, a telescope brings the stars to life. Thankfully, you don’t need to spend a fortune to get a telescope and head outside for a view of the stars. In this guide, we’ll review seven of the best telescopes under $1,000. ...
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16 Best Compact Binoculars – When The Binoculars Aren’t Bulky
Binoculars are the optical instruments used in many fields and activities of human endeavors. But there are situations whereby a pair of compact binoculars will be more practical than other bigger 50 to 150mm binoculars. Do you need the device for hobby and leisure uses such as stargazing, night hunting, hiking, or ...
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5 Best Thermal Monoculars For Hunting And Fishing
Did you know that thermal imaging is an invention by Hungarian physicist Kálmán Tihanyi? Its first application was in World War 1 for British defense anti-craft. This new camera technology then spread across the globe, with the applications increasing. Currently, this invention has numerous applications that are not ...