General

Model

10x25 Blackhawk
8x42 Oceana
10x25 Essentials

Manufacturer

Barska
Celestron
Tasco

Amazon rating

3.7
3.3
3.7

Customer reviews on Amazon

213
24
326

Basic Info

Type

Monoculars
Monoculars
Monoculars

Optical specifications

Prism Type

BaK-4 Roof

Magnification

10x
8x
10x

Objective Lens Diameter

25mm
42mm
25mm

Angle of View

5.8
7
5.5

Field of View

303' at 1000 yd (101 m at 1000 m)
376' at 1000 yd (183 m at 1000 m)
288' (96 m at 1000 m)

Exit Pupil Diameter

2.5 mm
5.25 mm
2.5mm

Eye Relief

11 mm
18 mm

Minimum Focus Distance

13 ft (4 m)
42.6' (13 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)

Weight

5 oz (142 g)
12 oz (340 g)
0.29 lb (133 g)

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

5.0 x 2.2 x 1.9"
7.9 x 4.4 x 2.8"
8.5 x 5.5 x 2.6"

Package Weight

0.35 lb
1.1 lb
0.3 lb