General

Model

10x25 Blackhawk
10-30x60mm Gladiator Zoom
Optics Viper HD 10x42

Manufacturer

Barska
Barska
Vortex

Amazon rating

3.7
3.6
4.7

Customer reviews on Amazon

213
148
267

Basic Info

Type

Monoculars
Binoculars
Binoculars

Optical specifications

Prism Type

Porro
Roof

Magnification

10x
10-30x
10x

Objective Lens Diameter

25mm
60mm
42mm

Angle of View

5.8
12x:
6.1

Field of View

303' at 1000 yd (101 m at 1000 m)
12.0x:
319' at 1000 yd / 105.91 m at 1000 m

Exit Pupil Diameter

2.5 mm
10x: 6.0 mm, 30x: 2.0 mm
4.2

Eye Relief

11 mm
10x:
16.5

Minimum Focus Distance

13 ft (4 m)
32.8' / 10.00 m
5.1' / 1.55 m

Interpupillary Adjustment

59 - 75 mm / 2.32 - 2.95"

Dioptric Correction

Focus Type

Center
Center

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

1.25 x 1.25 x 4.25 (3.2 x 3.2 x 10.8 cm)
5.8 x 5.3 x 1.65"

Weight

5 oz (142 g)
41.6 oz
24.6 oz

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

5.0 x 2.2 x 1.9"
9.9 x 8.5 x 3.6"
8.75 x 7.3 x 4.1"

Package Weight

0.35 lb
3.1 lb
2.45 lb