How many times could I have used this little beauty just clamp it on and shoot.  instead of having to use your memory to interpret a picture. It's a detailed closeup  leaving no room for dought

 Features:

Lightweight shell for clear viewing.
Easy to use, compact and portable.
Optical glass, practical and durable.
With high zoom, adjustable focal length.
Novel optical path design, the large wide-angle lens allows plenty of area for light transmission.

Description:
With high resolution and good color reproduction, the quality of mobile phone imaging is significantly improved.
Suitable for watching contests, concerts, tours, animal watch lovers.
Exquisite workmanship, sand feel, comfortable to use.

Specification:
Material: ABS
Color: black, white
Size: 90*30*30mm
Magnification: 8x, 12x
Field of view: 16°
Objective lens diameter: 18mm
Eyepiece diameter: 16mm
Observation distance: 3-246m (8x), 3-1000m(12x)
Exit pupil distance: 3mm (8x), 2.3mm(12x)
Eyespot distance: 9.6mm (8x), 10mm(12x)

Package included:
1 x Mobile Phone Telescope
1 x Lens Back Cover
1 x Lens Front Cover
1 x Mounting Clamp
1 x Clean Cloth

Note:
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.
Please allow slight deviation due to manual measurement. Thank you!