General

Model

10x42 Spirit ED
8x42 Oceana
Echo 10 30x21 Zoom

Manufacturer

Vanguard
Celestron
Brunton

Amazon rating

4.1
3.5
3.0

Customer reviews on Amazon

111
25
21

Basic Info

Type

Binoculars
Monoculars
Monoculars

Optical specifications

Prism Type

Roof
BaK-4 Roof

Magnification

10x
8x
10.0 - 30.0x

Objective Lens Diameter

42mm
42mm
21 mm

Angle of View

6.0
7

Field of View

451.8' at 1000 yd / 150.0 m at 1000 m
376' at 1000 yd (183 m at 1000 m)
178 - 10 ft (54 - 3 m) at 1000 yd

Exit Pupil Diameter

4.2
5.25 mm
2.4 - 1.8 mm

Eye Relief

16.0
18 mm
12 mm

Minimum Focus Distance

9.19' / 2.8 m
42.6' (13 m)
10 ft (3 m)

Interpupillary Adjustment

Dioptric Correction

Focus Type

Center

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

5.71 x 4.92"
4.25 x 1.25" (11 x 3 cm)

Weight

22.58 oz
12 oz (340 g)
3.2 oz (91 g)

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

9.0 x 7.0 x 3.0"
7.9 x 4.4 x 2.8"
7.4 x 6.1 x 2.75"

Package Weight

2.5 lb
1.1 lb
0.35 lb