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Sport Optics

You've come to the right place to learn about your sport optic! Get the most out of your Celestron binoculars, spotting scope or monocular with these tips.


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Introduction to Digiscoping

This blog entry comes to us from Tim Schreckengost, a Field Ornithologist and blogger. He has worked throughout the country on several bird research projects and in his free time enjoys birding, blogging, and photography. He's especially interested in migration, radar ornithology, and keeping cats indoors. We look forward to more blog posts from Tim in the future!Digiscoping, the art ...

How to Choose and Use Birding Optics

Celestron is thrilled to announce our latest publication, "How to Choose and Use Birding Optics." We've joined forces with our friends at Bird Watcher's Digest to create this helpful guide. 

Buyer's Guide: Sport Optics Q&A

Looking for a new pair of binoculars or a spotting scope, but not sure what to buy?  Sport optics come in a variety of sizes and magnifications, with a wide range of features and specifications.  This guide will help explain some of the key features and make selecting the right equipment easy.

Binocular Types

There are two basic types of binoculars: porro prisms and roof prisms. You can identify the prism construction of your binoculars at a glance. Porro prism binoculars have a right-angled bend between the objective lens and the eyepiece, which makes them form an M shape when standing on their objective lenses. Roof prism binoculars are typically straight with the objective lens in line ...

Sport Optics Glossary of Terms

7x25, 8x42, 10x50, etc.: Pronounced “7 by 25” and so on, these numbers are the common model designation for binoculars. The first number is the magnification power (an 8x or 8-power binocular magnifies the image 8 times, making it appear 8 times closer to you). The second number indicates the diameter of the objective lens; the larger this number, the larger the lens, and the more l...

Digiscoping with an iPhone and Celestron Spotting Scope

This is an introduction to a developing photography method called digiscoping. I will follow this post with tips for getting higher quality images while digiscoping. Digiscoping is the art of taking photographs through a spotting scope, binoculars, telescope, or a variety of other optical devices. 

Hawk Watching Basics

This blog entry comes to us from Tim Schreckengost, a Field Ornithologist and blogger at Thermal Birding. He has worked throughout the country on several bird research projects and in his free time enjoys birding, blogging, and photography. He's especially interested in migration, radar ornithology, and keeping cats indoors. We look forward to more blog posts from Tim in the future! ...

Ten Tips for Bird Watching

This blog entry comes to us from Tim Schreckengost, a Field Ornithologist and blogger at Thermal Birding. He has worked throughout the country on several bird research projects and in his free time enjoys birding, blogging, and photography. He's especially interested in migration, radar ornithology, and keeping cats indoors. We look forward to more blog posts from Tim in the future! ...

Birding: What You Need to Get Started

This blog entry comes to us from Tim Schreckengost, a Field Ornithologist and blogger at Thermal Birding. He has worked throughout the country on several bird research projects and in his free time enjoys birding, blogging, and photography. He's especially interested in migration, radar ornithology, and keeping cats indoors. We look forward to more blog posts from Tim in the future! ...