General

Model

10x25 Essentials
Echo 10 30x21 Zoom

Manufacturer

Tasco
Brunton

Amazon rating

3.5
3.0

Customer reviews on Amazon

316
21

Basic Info

Type

Monoculars
Monoculars

Optical specifications

Prism Type

Magnification

10x
10.0 - 30.0x

Objective Lens Diameter

25mm
21 mm

Angle of View

5.5

Field of View

288' (96 m at 1000 m)
178 - 10 ft (54 - 3 m) at 1000 yd

Exit Pupil Diameter

2.5mm
2.4 - 1.8 mm

Eye Relief

12 mm

Minimum Focus Distance

10 ft (3 m)

Interpupillary Adjustment

Dioptric Correction

Focus Type

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

4.25 x 1.25" (11 x 3 cm)

Weight

0.29 lb (133 g)
3.2 oz (91 g)

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

8.5 x 5.5 x 2.6"
7.4 x 6.1 x 2.75"

Package Weight

0.3 lb
0.35 lb