DESCRIPTION
With Vortex Diamondback HD 10x28 Binocular, superior quality, high-performance hunting optics can find their way around your neck for a surprisingly affordable price. Look for a huge field-of-view—the largest in its class—with enhanced fully multi-coated optics, phase-corrected prisms, waterproof and fog proof construction, soft tapered eyecups, and rugged rubber armour. It's all there in a Diamondback.
| Prism Type | Roof | 
| Magnification | 10x | 
| Objective Lens Diameter | 28mm | 
| Angle of View | 5.7° (actual) | 
| Field-of-View | 300' @ 1000 yd / 99.60 m @ 1000 m | 
| Minimum Focus Distance | 13.1' / 3.99 m | 
| Exit Pupil Diameter | 2.8 mm | 
| Eye Relief | 16 mm | 
| Interpupillary Adjustment | 56 - 74 mm / 2.20 - 2.91" | 
| Dioptric Correction | Not Specified By Manufacturer | 
| Focus Type | Center | 
| Tripod Mount | Yes (Adapter Optional) | 
| Dimensions | 4.8 x 4.5" / 12.19 x 11.43 cm | 
| Weight | 14 oz / 397 g | 
