General

Model

10x25 Blackhawk
8x42 Oceana
10x42 Monarch 7

Manufacturer

Barska
Celestron
Nikon

Amazon rating

3.7
3.3
4.5

Customer reviews on Amazon

213
24
114

Basic Info

Type

Monoculars
Monoculars
Binoculars

Optical specifications

Prism Type

BaK-4 Roof
Roof

Magnification

10x
8x
10x

Objective Lens Diameter

25mm
42mm
42mm

Angle of View

5.8
7
6.7

Field of View

303' at 1000 yd (101 m at 1000 m)
376' at 1000 yd (183 m at 1000 m)
351' at 1000 yd / 116.53 m at 1000 m

Exit Pupil Diameter

2.5 mm
5.25 mm
4.2

Eye Relief

11 mm
18 mm
16.4

Minimum Focus Distance

13 ft (4 m)
42.6' (13 m)
8.2' / 2.50 m

Interpupillary Adjustment

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)
5.6 x 5.1"

Weight

5 oz (142 g)
12 oz (340 g)
23.6 oz

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

5.0 x 2.2 x 1.9"
7.9 x 4.4 x 2.8"
7.1 x 6.7 x 4.0"

Package Weight

0.35 lb
1.1 lb
2.15 lb