General

Model

Echo 10 30x21 Zoom
10-30x60mm Gladiator Zoom

Manufacturer

Brunton
Barska

Amazon rating

3.0
3.7

Customer reviews on Amazon

21
150

Basic Info

Type

Monoculars
Binoculars

Optical specifications

Prism Type

Porro

Magnification

10.0 - 30.0x
10-30x

Objective Lens Diameter

21 mm
60mm

Angle of View

12x:

Field of View

178 - 10 ft (54 - 3 m) at 1000 yd
12.0x:

Exit Pupil Diameter

2.4 - 1.8 mm
10x: 6.0 mm, 30x: 2.0 mm

Eye Relief

12 mm
10x:

Minimum Focus Distance

10 ft (3 m)
32.8' / 10.00 m

Interpupillary Adjustment

Dioptric Correction

Focus Type

Center

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

4.25 x 1.25" (11 x 3 cm)

Weight

3.2 oz (91 g)
41.6 oz

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

7.4 x 6.1 x 2.75"
9.9 x 8.5 x 3.6"

Package Weight

0.35 lb
3.1 lb