8-40x40 Zoom Monocular Telescope

Objective lens diameter: 40mm
Eyepiece diameter: 21mm
Lens coating: FMC Broadband Green Film
Prism material: BAK4
Exit pupil distance: 12.5-9mm
Focusing method: objective lens rotating and focusing
Exit pupil diameter: 3.1-1.5mm
Tripod interface: support video camera
Product material: ABS plastic steel material
Product color: black
Product size: 1 55x50mm