General

Model

Optics Viper HD 10x42
Monovid 8x20

Manufacturer

Vortex
Leica

Amazon rating

4.7
4.9

Customer reviews on Amazon

267
45

Basic Info

Type

Binoculars
Monoculars

Optical specifications

Prism Type

Roof

Magnification

10x
8.0x

Objective Lens Diameter

42mm
20 mm

Angle of View

6.1
6.3

Field of View

319' at 1000 yd / 105.91 m at 1000 m
331' at 1000 yd / 110 m at 1000 m

Exit Pupil Diameter

4.2
2.5 mm

Eye Relief

16.5
15 mm

Minimum Focus Distance

5.1' / 1.55 m
5.9' / 1.8 m

Interpupillary Adjustment

59 - 75 mm / 2.32 - 2.95"

Dioptric Correction

Focus Type

Center

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

5.8 x 5.3 x 1.65"
1.4" / 35.5 mm

Weight

24.6 oz
4.0 oz / 112 g

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

8.75 x 7.3 x 4.1"
7.9 x 6.1 x 3.8"

Package Weight

2.45 lb
1.0 lb