General

Model

Echo 10 30x21 Zoom
CV 1025V

Manufacturer

Brunton
Vivitar

Amazon rating

3.0
2.6

Customer reviews on Amazon

21
115

Basic Info

Type

Monoculars
Digital Camera Binoculars

Optical specifications

Prism Type

Roof

Magnification

10.0 - 30.0x
10x

Objective Lens Diameter

21 mm
25 mm

Angle of View

Field of View

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

Exit Pupil Diameter

2.4 - 1.8 mm
2.5 mm

Eye Relief

12 mm
11.0 mm

Minimum Focus Distance

10 ft (3 m)
3.0 m

Interpupillary Adjustment

58-70 mm

Dioptric Correction

Focus Type

Center

Physical specifications

Waterproof

Fogproof

Power Source

2 x AAA alkaline batteries

Dimensions

4.25 x 1.25" (11 x 3 cm)

Weight

3.2 oz (91 g)
6.5 oz / 185 g

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

7.4 x 6.1 x 2.75"
8.4 x 5.5 x 2.8"

Package Weight

0.35 lb
0.8 lb