General

Model

10x25 Blackhawk
Optics Viper HD 10x42
Optical Inc 6x18 T

Manufacturer

Barska
Vortex
Zeiss

Amazon rating

3.7
4.7
4.3

Customer reviews on Amazon

213
267
3

Basic Info

Type

Monoculars
Binoculars
Monoculars

Optical specifications

Prism Type

Roof

Magnification

10x
10x
6x

Objective Lens Diameter

25mm
42mm
18mm

Angle of View

5.8
6.1
6.9

Field of View

303' at 1000 yd (101 m at 1000 m)
319' at 1000 yd / 105.91 m at 1000 m
360' (120 m at 1000 m)

Exit Pupil Diameter

2.5 mm
4.2
3.0mm

Eye Relief

11 mm
16.5
15mm

Minimum Focus Distance

13 ft (4 m)
5.1' / 1.55 m
1.0' (0.3 m)

Interpupillary Adjustment

59 - 75 mm / 2.32 - 2.95"

Dioptric Correction

Focus Type

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"
1.2 x 3.7" (30 x 94mm) WxH

Weight

5 oz (142 g)
24.6 oz
0.13 lb (58g)

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

5.0 x 2.2 x 1.9"
8.75 x 7.3 x 4.1"
5.7 x 4.1 x 2.7"

Package Weight

0.35 lb
2.45 lb
0.5 lb