High-Definition Large-Objective Zoom Outdoor Binoculars

Product information:

Structure: Binoculars
Function type: Zoom telescope
Purpose: Civilian telescope
Instrument magnification: 10-90
Exit pupil distance: 7 (mm)
Exit pupil diameter: 6.5 (mm)
Field of view: 60
Resolution: 10-90x80 zoom binocular, 10-70x70 zoom binocular

Size Information:

Product size: 230x200x75mm
Objective lens inner diameter: 90mm
Eyepiece inner diameter: 18mm