Bolanke 20-60x60 Telescope Zoom Bird Watching / Viewing Target High Magnification Monocular Binoculars

Model:20-60X60
Structure:Monoscope
Function type:Zoom telescope
Use:Civil telescope
Instrument magnification:20-60 times
1. High magnification, continuous magnification.
2. Large diameter, super clear.
3. Specifications:
Function type: Telescope
Eyepiece diameter: 15mm
Objective lens size: 60mm
Field of view: 3.3-6.2 degrees
Eye mask system: folding eye mask
Outlet diameter: 3.3-1.1mm
Exit distance: 17-13.5mm
Recent focal length: 5m
Objective lens coating: FMC omnidirectional multilayer green film
Eyepiece coating: FMC omnidirectional multilayer green film
Focusing system: Central independent focusing
Prism material: Bk7
Prism system: DCF
Kilometer horizon: 36-19m/1000m
Thousand yards of field of view: 108-57ft/1000yds
Is it waterproof: Yes
Net weight: 651g
Size: 345 x 200 x 145mm

Package includes: telescope, eyepiece cover, objective lens cover, color box, bag, small bracket, mirror cloth, instruction manual, desiccant