General

Model

10x25 Blackhawk
Blackhawk 20-60-60mm
Optical Inc 6x18 T

Manufacturer

Barska
Barska
Zeiss

Amazon rating

3.5
4.1
4.5

Customer reviews on Amazon

214
174
4

Basic Info

Type

Monoculars
Monoculars
Monoculars

Optical specifications

Prism Type

Magnification

10x
20-60x
6x

Objective Lens Diameter

25mm
60 mm
18mm

Angle of View

5.8
20x: 1.7
6.9

Field of View

303' at 1000 yd (101 m at 1000 m)
20x: 91' at 1000 yd / 30.2 m at 1000 m, 60x: 45' at 1000 yd / 14.9 m at 1000 m
360' (120 m at 1000 m)

Exit Pupil Diameter

2.5 mm
20x: 3.0 mm,60x: 1.0 mm
3.0mm

Eye Relief

11 mm
20x: 18 mm, 60x: 15 mm
15mm

Minimum Focus Distance

13 ft (4 m)
23' / 7 m
1.0' (0.3 m)

Interpupillary Adjustment

Dioptric Correction

Focus Type

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

1.25 x 1.25 x 4.25 (3.2 x 3.2 x 10.8 cm)
14.9" / 37.8 cm
1.2 x 3.7" (30 x 94mm) WxH

Weight

5 oz (142 g)
2.9 lb / 1.5 kg
0.13 lb (58g)

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

5.0 x 2.2 x 1.9"
17.2 x 9.7 x 7.8"
5.7 x 4.1 x 2.7"

Package Weight

0.35 lb
7.5 lb
0.5 lb