General

Model

10x40 Blackhawk
Monovid 8x20

Manufacturer

Barska
Leica

Amazon rating

3.5
4.5

Customer reviews on Amazon

214
52

Basic Info

Type

Monoculars
Monoculars

Optical specifications

Prism Type

Magnification

10x
8.0x

Objective Lens Diameter

40mm
20 mm

Angle of View

6
6.3

Field of View

315' at 1000 yd (105 m at 1000 m)
331' at 1000 yd / 110 m at 1000 m

Exit Pupil Diameter

4 mm
2.5 mm

Eye Relief

17.5 mm
15 mm

Minimum Focus Distance

13 ft (4 m)
5.9' / 1.8 m

Interpupillary Adjustment

Dioptric Correction

Focus Type

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

6 x 2 x 2" (15.2 x 5.1 x 5.1 cm)
1.4" / 35.5 mm

Weight

10 oz (283.5 g)
4.0 oz / 112 g

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

7.0 x 2.5 x 2.4"
7.9 x 6.1 x 3.8"

Package Weight

0.9 lb
1.0 lb