Specifications of Styrka 8x42mm S3 Roof Prism Binocular:
Magnification:
8x
Objective Lens Diameter:
42mm
Lens Coatings:
Fully Multi-Coated ? Styrka SXL Coating
Angular Field of View:
8.1 degrees
Linear Field of View:
425ft/142m@1000yds/m
Close Focus:
6.5ft / 2.0m
Eye Relief:
17.2mm
Exit Pupil:
5.25mm
Prism Type:
BaK-4
Prism Coatings:
Phase and Dielectric
Waterproof:
IPX7
Relative Brightness:
27.5
Twilight Factor:
18.3
Interpupillary Distance:
56-75mm
Diopter ADJ Range:
±4
Features of Styrka 8x42mm S3 Roof Prism Binocular:
All lens surfaces are coated multiple times utilizing proprietary SXL anti reflective coatings for maximum brightness and optimal color, sharpness and image contrast
Phase and dielectric coated BAK-4 prisms dramatically increase light transmission through the prism system for bright, high contrast images with better resolution, superior clarity and detail
Fully sealed housing for waterproof performance in all conditions
Submersion tested for 30 minutes in 1 meter (3.3 feet) of water
Nitrogen purged internal housing to prevent internal fogging
Rubber armor provides tough, durable external protection and a secure no-slip grip
Eyecups twist up or down for a custom fit to your eye with or without eyeglasses
Compatible with standard tripod adapters, use on a tripod or car window mount