Wholesale Cheap 12×50 40×60 High Guality Monocular Telescope for Smartphone Hunting Bird Watching

Product name 40×60 Monocular Telescope
Color Green
Objective diameter 50mm
Field of view 293m/1000m
Coating FMC Green Optical Coated
Prism Bak4
Exit pupil Diameter 12.8mm
Eyepiece size: 18mm/23mm