Vortex Diamondback HD 10x50 Category_Clearance Items 8 maximum aperture throughout the

8 maximum aperture throughout the entire zoom range (unlike variable aperture lenses that darken as you zoom)

weather-resistant 600D and 420D polyester with tactical "fractal camo" accents

adding a teleconverter to a large lens can be a tense operation

and HC-V770 models

Vortex Diamondback HD 10x50 Category_Clearance Items 8 maximum aperture throughout theThe Diamondback HD is a great example of Vortexs commitment to pushing the price vs. performance envelope, delivering a rock solid binocular that optically punches far beyond its class. The included GlassPak binocular harness keeps your glass close at hand, ready to deploy at a moments notice, all while providing protection and significantly more comfort than traditional neck straps.