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How to choose the perfect binoculars for bird-watching, stargazing, and moreChoose binoculars with larger objective lenses ... the image gets to your eyes after entering the objective lens. A Roof ...
Compared with a pair of compact roof prism binoculars (which are essentially just two barrels), the Celestron EclipSmart 20x50 binoculars follow a classic Porro prism design, meaning they're bulky ...
Both are roof-prism binoculars with built-in glass solar filters. While the SUNocular-Mini 6x30 is aimed at kids and good only for a casual glance at the sun during an eclipse, the SUNocular 8x32 ...
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