Zoom monocular HD Telescopic Phone Camera Low Light Night Vision Telescope

Product information:    
Structure: Monocular
Function type: Zoom telescope
Purpose: Civilian telescope
Instrument magnification: 120
Exit pupil distance: 14-12 (mm)
Exit pupil diameter: 5-1.7 (mm)
Field of view: 4.4-2.1°
Resolution: None
Specification: New product M3 ultra-clear version 10-120X
Magnification: Standard multiple 8-24 continuous zoom, corresponding adjustment base 10-120X
Eyepiece diameter: 21mm.
Objective lens diameter: 40MM
Prism system: BAK4
Objective lens coating: Anti-reflection green film.
Eyepiece coating: Anti-reflection blue coating
Field of view: 77-37M / 1000M
Close focus: 2M
Folding eye mask: Rotating eye cup