General

Model

Optical Inc 10x25 T
10x42 Monarch 3

Manufacturer

Zeiss
Nikon

Amazon rating

4.0
4.6

Customer reviews on Amazon

7
250

Basic Info

Type

Monoculars
Binoculars

Optical specifications

Prism Type

Roof

Magnification

10x
10x

Objective Lens Diameter

25mm
42mm

Angle of View

5.0
5.7

Field of View

264' (88 m at 1000 m)
299' at 1000 yd / 99.27 m at 1000 m

Exit Pupil Diameter

2.5mm
4.2

Eye Relief

15mm
17.4

Minimum Focus Distance

14.8' (4.5 m)
9.8' / 2.99 m

Interpupillary Adjustment

57 - 72 mm / 2.24 - 2.83"

Dioptric Correction

Focus Type

Center

Physical specifications

Waterproof

Fogproof

Power Source

Dimensions

4.3" (109mm)
6.1 x 5.1 x 2.1"

Weight

0.19 lb (88g)
24.7 oz

Tripod Socket

Packaging Info

Box Dimensions (LxWxH)

5.748 x 4.016 x 2.598"
7.8 x 6.5 x 3.9"

Package Weight

0.65 lb
2.2 lb