The 20-100x70 Gladiator Zoom Binocular from Barska is designed for long distance terrestrial and astronomical viewing. The variable magnification range of the binocular allows the viewer to scan a large field of view and then zoom in on the selected object for a closer and greater detailed look. A zoom thumb-lever for making quick and smooth magnifications is featured. Fold-down eyecups are incorporated into the eyepieces for comfort viewing with or without eyeglasses.
The 20-100x70 Gladiator Zoom binocular has BAK4 porro prisms and multicoated optics. Zoom magnification, large objective lens, shock-absorbing rubber armor, and an included tripod adaptor for a steady view, contribute to a binocular that's ideal for all outdoor activities and sporting events.
| Prism Type | Porro |
| Magnification | 20-100x |
| Objective Lens Diameter | 70 mm |
| Angle of View | 10x: 1.3° |
| Field-of-View | 10x: 66' @ 1000 yd / 21.91 m @ 1000 m |
| Minimum Focus Distance | 75' / 22.86 m |
| Exit Pupil Diameter |
20x: 3.5 mm 100x: 0.7 mm |
| Eye Relief | 20x: 16.5 mm |
| Interpupillary Adjustment | Not Specified By Manufacturer |
| Dioptric Correction | None |
| Focus Type | Center |
| Tripod Mount | Yes |
| Dimensions | 13.5 x 9.13 x 4.0" / 34.29 x 23.19 x 10.16 cm |
| Weight | 50.0 oz / 1417.50 g |