Vortex DIAMONDBACK® HD 8X42 Binocular Filter Focal length=530mm / f =

Focal length=530mm / f = 6

even when the filter is assembled well before the focal point (or binocular digital camera insert)

The set allows you to choose the best filter to use with different eyepiece and telescope combinations

Diameter 70mm Optical thickness

In this kit

Vortex DIAMONDBACK® HD 8X42 Binocular Filter Focal length=530mm / f =The Diamondback HD smashes the scale of price vs performance, delivering a rock solid optic that optically punches high above its class. The included GlassPakTM binocular harness keeps your glass close at hand, ready to deploy at a moment's notice, all while providing protection and significantly more comfort than traditional neck straps. SPECIFICATIONS Magnification 8x Objective Lens Diameter 42 mm Linear Field of View 393 feet 1000 yards Angular