Sightmark Solitude 10x42 Binoculars and their BaK-4 prisms are

and their BaK-4 prisms are both phase-corrected and dielectric-coated

or 6012001A

The Swarovski TLS APO 30mm for ATX-STX allows a digital interchangeable lens camera to be mounted on a Swarovski ATX and STX spotting scopes for digiscoping

The Leupold BX-5 Santiam HD 8x42 Binoculars in Gray are part of Leupold's top of the line full-size binoculars series

Sightmark Solitude 10x42 Binoculars and their BaK-4 prisms areThe Sightmark Solitude 10x42 Binocular offers quality features including fully multi coated lenses for rich contrast and detail as well as multiple layers of anti reflective coatings to increase light transmission though it's phase corrected BaK 4 prisms for brighter, clearer images. Complementing the optics is a long 18mm eye relief and twist up eyecups which is helpful for eyeglass users. The 10x42 Solitude binocular has a nitrogen filled, fogproof