Pocket 8X21 Compact Binoculars Portable Folding Mini Telescope BAK4 High Quality Camping Hiking Climbing Travel Telescope

Features:
Magnification: 8 times
Objective diameter: 21mm
Eyepiece diameter:13mm
Angle of field: 7 degrees
View of field: 1000m/6000M
Exit pupil diameter: 2.6mm
Eye relief: 11mm
Mini focus length: 2m
Prism: BAK4
Coated: object lens: FCM green coated, eye lens: CM blue coated
Focus system: Center focus
Product size: 3.5 inchx 2.4 inch x 1.4 inch