Shuntu ed 10×42 roof binoculars waterproof telescope MG Alloy ED with cpl filter

Description

Shuntu ed 10×42 roof binoculars waterproof telescope MG Alloy ED with cpl filter
Magnification:        10x

Objective Lens Diameter:        42 mm

Eyepiece Diameter:        21 mm

Minimum Focus Distance:        3 m

Lens Elements/Groups:        8

Phase Coating:        Phase Coating

Lens Coating:        Super Multi-Coated (SMC)

Field of View (Apparent):        6.2°

Field of View (at 1000m):        108 m/1000m

Field of View (at 1000yds):        326 ft/1000yds

True Field of View:        56.9 °

Tripod Mount:        1/4-20 UNC

Eyecups:        Twist-Up

Diopter Adjustment:        +3 diopters

Interpupillary Distance (IPD):        56-74 mm

Eye Relief:        15.1 mm

Resolution:        5 arcseconds

Twilight Factor:        20.5

Light Transmittance:        94%

Focusing System:        Center Focus

Exit Pupil Diameter:        4.3 mm

Prism Material:        BAK4

Operating Temperature:        -20°C to 55°C

Waterproof Rating:        IPX7

Prism System:        Schmidt-Pechan

Dimensions:        160x135x63 mm

Weight:        777 g

Form Factor:        Standa