Tag Archives: Optical Alignment

Celestron SkyMaster 20×80 Binoculars

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Celestron SkyMaster 20×80 Binoculars Multi-coated optics for a clear view Water-resistant body High-quality BAK-4 prisms Large aperture perfect for low light conditions and stargazing Features integrated tripod adapter rod The SkyMaster Series of large aperture binoculars from Celestron offer phenomenal … Continue reading →

Pentax 62216 Papilio 8.5×21 Porro Prism Binocular

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Pentax 62216 Papilio 8.5×21 Porro Prism Binocular No other binoculars like them on the market! Ideally suited for viewing insects, birds, artwork or any other object at close ranges C.L.O.S.E. (Convergent Lens Optical System Engineering) allows them to focus down … Continue reading →