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Spotting scopes allow you to focus on the details in the sky.
The last number (20–60 x 80) refers to the diameter of the objective lens in millimeters. Spotting scopes are available in:
When viewing the stars, light gathering is essential. The larger the size of the objective lens, the more light is gathered and the brighter your image will be.
If you're studying the skies, high magnifications may be necessary to capture details. The first numbers (20–60 x 80 or 30 x 80) refer to the magnification, or how many times larger an object will appear.
Spotting scope bodies are often packaged with an eyepiece. Some manufacturers sell eyepieces separately.
Use a waterproof and fogproof spotting scope for protection in any season. Waterproof scopes are sealed to prevent moisture, dust, and debris from getting inside the optics. Fogproof scopes are filled with nitrogen or agron gas to inhibit internal fogging caused by temperature extremes.
Spotting scope bodies come in either angled or straight designs. Angled scope bodies make it easy to focus on the skies and can be positioned lower on a tripod for added stability. Straight scope bodies are comfortable to use and especially beneficial when viewing at downward angles.
Our Eagle Optics professionals are available to answer your questions at 1-800-289-1132 or email@example.com.