General

Model

Echo 10 30x21 Zoom
Monovid 8x20

Manufacturer

Brunton
Leica

Amazon rating

3.0
4.5

Customer reviews on Amazon

21
52

Basic Info

Type

Monoculars
Monoculars

Optical specifications

Prism Type

Magnification

10.0 - 30.0x
8.0x

Objective Lens Diameter

21 mm
20 mm

Angle of View

6.3

Field of View

178 - 10 ft (54 - 3 m) at 1000 yd
331' at 1000 yd / 110 m at 1000 m

Exit Pupil Diameter

2.4 - 1.8 mm
2.5 mm

Eye Relief

12 mm
15 mm

Minimum Focus Distance

10 ft (3 m)
5.9' / 1.8 m

Interpupillary Adjustment

Dioptric Correction

Focus Type

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

4.25 x 1.25" (11 x 3 cm)
1.4" / 35.5 mm

Weight

3.2 oz (91 g)
4.0 oz / 112 g

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

7.4 x 6.1 x 2.75"
7.9 x 6.1 x 3.8"

Package Weight

0.35 lb
1.0 lb