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Optical Prism, a transparent object surrounded by two planes that intersect but are not parallel to each other, is used to split light or disperse light beams. An optical prism is a polyhedron made of ...

Pentax have announced the introduction of the new XCF series of porro-prism binoculars featuring four models: 8x40 XCF with 40mm objective lenses, 10x50 XCF, the 12x50 XCF and the 16x50 XCF with 50mm ...

Newer companies such as Momentum Optics and Phlux Technology, previous SPIE Startup Challenge finalists Ki3 Photonics ...

Traveling stargazers will love the Celestron TrailSeeker 8x42 roof prism binoculars that work well after dark and strike a balance between quality, affordability and portability. Why you can trust ...

Pentax have announced the addition of the new PCF WP models to the acclaimed Pentax PCF series of porro-prism binoculars. This new series features six high-performance, waterproof models: 8x40 PCF WP ...

In this Celestron Nature DX ED 12x50 review we're going to see why it's worth spending as much as you can afford on a pair of binoculars. With 12x magnification and 50mm objective lenses, at first ...