MARINE BINOCULARS
twist-up eyecups with internal compass and rangefinder, water proof
specification:10x42
field of view(@1000m):105m
field of view(@1000yds):315ft
exit pupil:4.2mm
eye relief:17.5mm
mini. focus dist.:5m
size:174x66x139mm
weight:640g
focus system:center
prism type:porro/BAK 4