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How does optical glass enhance binocular image quality?

High-grade glass offers a more clear, vivid image than standard glass

The optical glass used in a binocular affects the quality of the image you see through it. The objective lens of a binocular refracts or bends light, directing it to a focal point at some distance behind the lens of the binocular. Each color [...]

Mosquitoes Not Invited!

Summers are too short and outdoor gatherings too precious to let mosquitoes and biting flies spoil the fun.  Set up your ThermaCELL portable appliance or lantern in the yard or boat, and you’ll enjoy hours of bug-free time with friends and family.
If you’re like us, you aren’t fond of slathering insect repellent on our skin [...]

New and On Sale: the Atlas Optics 7×36 Intrepid ED Binocular!

It’s no secret that the six of us on the EO sales team have our favorite binoculars. We do, and we like to share what we like with our customers. We’ve long pitted the Atlas Optics Intrepid ED (8×42 and 10×42) against other binoculars in a much higher price range, and not every [...]

Enlightening Videos for Birders

The Cornell Lab of Ornithology’s website has an excellent selection of YouTube videos you can view free online! Most are 2-5 minutes long, and well worth watching for the interesting subject matter and beautiful camera work. Videos are divided into headings such as Voices, Through the Lens, How Nature Works, Birding By Ear, [...]

Midwest Birding Symposium, Sept. 15-18, 2011

This fall, discover a premier birding experience in America’s heartland! One of the largest and most comprehensive birding festivals of the year, the Midwest Birding Symposium (MBS) offers a weekend of birding, learning, and camaraderie sure to create memories to last a lifetime.  This year, the setting is the picturesque, historic Chautauqua community of Lakeside, [...]

Welcome to Binoculars 101

We invite you to visit Binoculars 101 with all your optics questions!  The website has been completely revamped, and touches on every aspect of optics:  from optics definitions, choosing a binocular,  informative videos, and much more!  Sharpen your optics knowledge by letting Binoculars 101 be your personal optics resource.  But, don’t keep it all [...]

Summer Storm, No Power, St. Minimus to the Rescue!

While driving home after the storm passed, lightning was making an impressive show on the horizon. I’m talking about the kind of lightning that makes your heart pound and your eyes wince. Words pop out of your mouth involuntarily. I was a little scared. As I got closer to home, I began [...]

The River, My Binoculars, and Me

Like many recreational kayakers, I always bring my binoculars along on the river. Southwest Wisconsin has many rivers to choose from, and I have a few favorites within an hour’s drive of my front door that offer up enjoyable half-day paddling opportunities. Last weekend, a group of us did a 12-mile section of [...]

What do the numbers in a binocular name mean?

The numbers on a binocular describe its configuration. Let’s take 8×42 binoculars as an example. The first number (8) refers to the magnification, or, how many times closer an object will appear when looking through the binocular compared to looking at the same object with the naked eye. The second number (42) indicates the diameter [...]

What Contributes to Brightness in a Binocular?

A binocular’s brightness can be affected by several things. Contrary to what many binocular users believe, big objective lenses are not the only factor to consider. The quality of glass used in binocular prism and lens construction, along with the quality of the lens coatings, contribute more to brightness than do big objectives.
Lens coatings are [...]