Big Vision Monocular Powerful Handheld Telescope Eyepiece Spotting Scope Sport Watch with Handle 

Feature:

·Simple,cool,stylish appearance

·Low-light night vision features a wide field of view by faint light, starlight, or moonlight. Note: It's Faint Night Vision telescope, needs light. Cannot be used in all the dark environment.

·50MM large objective lens, high light transmittance, clear and bright image, no color difference, outstanding glimmer effect

·High quality all-glass optics - objective and ocular lenses. One solid focusing ring. Single hand operation.

·Multi-coated ultra-clear film FMC broadband, bright color transparent, high transmittance, no color difference

·Built-in ranging reticle, ranging slide rule function

Specifications:

Magnification:   13x50

Caliber:   50

Prism System:  Porro

Prism Glass:    BAK4

Focus System:  Eyepiece adjustment

Field Of View:   342 ft / 1000 yds

Exit Pupil Distance:  19mm

Exit Pupil Diameter:   5mm

Coating: FMC-Green

Color:  Black

Size: 183*89*76 mm (measured by hand, allow 2-3mm different)