General

Model

8x42 Oceana
Optics Viper HD 10x42

Manufacturer

Celestron
Vortex

Amazon rating

3.5
4.7

Customer reviews on Amazon

25
290

Basic Info

Type

Monoculars
Binoculars

Optical specifications

Prism Type

BaK-4 Roof
Roof

Magnification

8x
10x

Objective Lens Diameter

42mm
42mm

Angle of View

7
6.1

Field of View

376' at 1000 yd (183 m at 1000 m)
319' at 1000 yd / 105.91 m at 1000 m

Exit Pupil Diameter

5.25 mm
4.2

Eye Relief

18 mm
16.5

Minimum Focus Distance

42.6' (13 m)
5.1' / 1.55 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"

Weight

12 oz (340 g)
24.6 oz

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

7.9 x 4.4 x 2.8"
8.75 x 7.3 x 4.1"

Package Weight

1.1 lb
2.45 lb