General

Model

10x25 Blackhawk
Echo 10 30x21 Zoom
CV 1225

Manufacturer

Barska
Brunton
Vivitar

Amazon rating

3.5
3.0
2.3

Customer reviews on Amazon

214
21
141

Basic Info

Type

Monoculars
Monoculars
Digital Camera Binoculars

Optical specifications

Prism Type

Roof

Magnification

10x
10.0 - 30.0x
12x

Objective Lens Diameter

25mm
21 mm
25 mm

Angle of View

5.8

Field of View

303' at 1000 yd (101 m at 1000 m)
178 - 10 ft (54 - 3 m) at 1000 yd
303' at 1000 yd / 101 m at 1000 m

Exit Pupil Diameter

2.5 mm
2.4 - 1.8 mm
2.1 mm

Eye Relief

11 mm
12 mm
11.0 mm

Minimum Focus Distance

13 ft (4 m)
10 ft (3 m)
3.0 m

Interpupillary Adjustment

58-70 mm

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)
4.25 x 1.25" (11 x 3 cm)
5.8 x 3.8 x 2.0" / 14.6 x 9.5 x 5.1 cm

Weight

5 oz (142 g)
3.2 oz (91 g)
9.7 oz / 275 g

Tripod Socket

1/4"-20

Packaging Info

Box Dimensions (LxWxH)

5.0 x 2.2 x 1.9"
7.4 x 6.1 x 2.75"
12.8 x 9.5 x 4.5"

Package Weight

0.35 lb
0.35 lb
1.1 lb