Product name:Telephoto Monocular Camera Lens

Model: 690873
Magnification: 40X
Model Number: 40X60
Field of view:333
Exit Pupil Distance: 111mm
Exit Pupil Diameter: 222mm
Resolution ratio:4444
Aperture:40mm
Prism Material: BAK4
Coating Film: FMC wide band green film
Focusing: Objective adjustment + eyepiece adjustment
Color: Black
Product Size: 53x150mm/2 x5.9
Waterproof Type: Life waterproof(Do not support the diving)
Application: Boating / Yaching, sports, bird watching, auto racing, horse racing, hunting, beach, travel

How to use (instructions)
1. Single hand holding a telescope lens barrel, see a circular field of view, toggle lens adjusting hand wheel, until you see the clear scenery so far. Eyepiece rotary parts can be compensated more precise focusing.
2. This product can see 1.5 meters of objects, other telescopes can not reach the function.

Warning:
1. Do not attempt to clean the telescope inside or try to remove the telescope
2. Do not use the telescope to observe the sun directly, this will cause permanent damage to the eyes