How to Clean a Telescope Mirror

How To Clean A Telescope Mirror

If you want to know how to clean a telescope mirror, then you probably have some concern there’s an accumulation of dirt or dust on your mirror. If you do have some dirt or dust on the mirror and cannot view celestial objects as clearly as you once were, it feels very frustrating. 

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Best Microscope for Coins

Best Coin Microscopes in 2026: What Collectors Actually Need

Here’s a secret from the professional side of the hobby: the graders at PCGS and NGC mostly work with simple 5x-10x loupes, and old hands on the coin forums will tell you that 30x is plenty “99% of the time.” So why buy a coin microscope at all?

Because the three things a microscope does better than any loupe — checking mint marks and die varieties, spotting cleaning and altered surfaces, and photographing your coins for records or eBay — are exactly the things collectors do every week. And since we last updated this guide, doing them has gotten dramatically cheaper: the market is now full of $30-130 digital microscopes with built-in screens, designed specifically around coins.

This 2026 update reflects that shift. Several of our old picks died (details below), the LCD generation took over, and one classic stereo microscope remains for the traditionalists.

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Best Pocket Microscope

Best Pocket Microscopes in 2026: Field-Ready Picks From $10

A pocket microscope is the gadget that turns a walk in the woods, a coin box or a garden bed into a field trip. For under $30 you can carry 60x-250x magnification in a jacket pocket — enough to identify spider mites on a leaf, check a coin’s mint mark, or show a kid what a butterfly wing is really made of.

Since we first wrote this guide, the category has split in two. On one side: the classic optical pocket scopes — Carson still rules here, batteries optional, nothing to break. On the other: a new wave of $25-40 digital pocket microscopes with built-in LCD screens that photograph what they see. Both belong in a 2026 roundup, so this update covers the best of each.

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Best USB Microscope Review

Best USB Microscopes in 2026: From $25 Sticks to Lab-Grade Scopes

Shopping for a USB microscope in 2026 is a different game than it was a few years ago. The category has quietly split in two: cheap camera-on-a-stick USB microscopes that pipe video to your computer or phone, and standalone digital microscopes with their own LCD screens that don’t need a computer at all.

Our old favorites reflect that shift. Three of the seven products from the previous version of this guide are gone — Opti-Tekscope’s OT-M has vanished from Amazon, Koolertron’s classic 4.3″ LCD model is discontinued, and Celestron’s 5MP Handheld Pro is at end-of-life with leftover stock selling at scalper prices.

So we rebuilt the guide around what you can actually buy in 2026, from a $25 pocket inspector to a lab-grade compound scope — with honest notes about what “1000x magnification” really means at each price.

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Best Telescope Under $300

Best Telescopes Under $300 in 2026: What’s Still Worth Buying

Telescopes can cost a great deal of money, but if you already know you want the best telescope under $300, this article has got you covered.

A lot has changed since we first wrote this guide. Orion Telescopes & Binoculars — the brand behind five of our previous six picks — ceased operations in July 2024, together with Meade. Zhumell, another favorite in this price range, quietly disappeared from US shelves by early 2025. In other words, most of the telescopes reviewers were recommending a few years ago simply can’t be bought new anymore.

So we rebuilt this guide from scratch for 2026. Every telescope below is in production, sold new by US retailers, and — with the honest caveats you’ll find in each review — worth your money. 

$300 is still a superb price point for a first serious telescope. It’s too much money to throw away on the wrong scope, though, and the market is thinner than it used to be — so the guesswork matters more than ever. Here’s what we found.

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Best Telescope Under 100

Best Beginner Telescopes Under $100 in 2026 (An Honest Guide)

Can you buy a real telescope for under $100 in 2026? Yes — but the honest answer comes with an asterisk, and this guide won’t hide it from you.

This category has changed dramatically since we first wrote this article. Orion and Meade — the brands behind four of our previous seven picks — went out of business in July 2024. The Zhumell Z100, another budget favorite, was quietly discontinued. And several scopes that used to cost $99 now sell for twice that.

What’s left is a much shorter list: a handful of genuine survivors worth your money, and a sea of no-name junk that will kill a beginner’s interest in astronomy faster than a cloudy month. We rebuilt this guide from scratch to separate the two.

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Celestron 127EQ PowerSeeker Telescope

Best Reflector Telescopes with Reviews

Reflector telescopes are a small category of the wide myriad of telescope types. Its differentiating factor is that they use one or several curved mirrors to reflect light facilitating image formation. Just to mention, the second telescope type, refractors, use a lens to transmit light. The third type, optical telescopes, use both lens and mirrors. Reflector telescopes were incepted as an alternative to refracting telescopes in the early 17th century. Determining what is the best reflector or refractor telescope hugely depends on individual scope features.

Reflector telescopes are designed to allow a large objective diameter. Due to this, they are the major telescope type used in astronomy. These telescopes come in varying designs employing different optical elements all aiming at achieving an improved image quality. (more…)



to telescope

What is a Catadioptric Telescope?

Telescopes are essential devices for any aspiring astronomy enthusiasts. Just to mention, telescopes make it easy to see far objects. Due to their varied use, telescopes come in varying designs, each best for a specific function. Broadly, telescopes can be classified as professional, amateur or commercial types. However, they can also be grouped based on optical design or mechanical design. The other minor classification is based on where they are placed, for instance, space telescopes.

That said, catadioptric telescopes fall into the group of optical telescopes. Also called compound telescopes, they are hybrid scopes which combine lenses and shaped mirrors to form an image of the object. These telescopes combine the best features of reflectors and refractors in one package.

Due to this, they have a greater degree of error correction compared to other lens or mirror counterparts. They also have a wider field of view for an excellent view. (more…)



Celestron 127EQ PowerSeeker

Celestron 127EQ Powerseeker Telescope Review

The Celestron 127EQ Powerseeker Telescope is a perfect telescope choice for beginners to intermediate aspiring astronomers. It makes a perfect gift for children or any other young-aged astronomy enthusiasts.

Astronomy aficionados appreciate the experience and exciting view provided by this telescope model. To begin, it is a Celestron brand, which is among the most sought-after scope brands currently.

The Celestron 127EQ Powerseeker Telescope is part of the company’s Powerseeker series with an outstanding reputation and supreme quality. It is a perfect combination of utmost quality, power, and affordability. (more…)



boy with telescope

How to Choose Your First Telescope

Telescopes are a lot of fun. However, with the many options, brands, models and alternatives available, finding the perfect one can be tricky. Being the first time, you could be lost trying to understand which telescope to buy or what the various telescope terms mean.

Besides, there are several factors to consider in addition to the bewildering options to choose from. All this certainly culminates in unexplained anxiety with no idea of the best telescope.

To begin, there has to be a reason that primes one to look for a telescope. The reason ought to be met at the end of telescope search. Just to mention, scopes come in different and varying optical flavors, compound instruments, reflectors, and refractors.

Note that each design has its strengths and weaknesses as well. Besides, each is well-suited to work best in specific conditions. Therefore, ensure that your search guides you to find the appropriate design. (more…)