EIMELI Super Telephoto Zoom Monocular Telescope Portable Binoculars 4K 10-300X40mm

Features:

The telescope can be used as a monocular.

Fit most kinds of mobile phones, include flip phones and bar phones.

Mobile phone's quality of imaging can be improved evidently.

Applicable to watch the game, concerts, tourism, observe animal lovers, news reporter long-distance shooting etc.

Taking pictures forensics, geological exploration, forestry management, railway port scheduling and etc.

Description:

Objective lens diameter: 40mm
Magnification: 7-17 times (corresponding to adjustment level 10X100)
Eyepiece diameter: 22mm
Exit pupil diameter: 4.2-1.7mm
Eye relief: 14-12mm
Field of view: 230-110FT @ 1000YDS
Field of view: 4.4-2.1 degrees
Minimum focusing distance: 2.5m
Size: 173/128*43mm (stretching and shrinking)
Weight: 300g
Prism: BAK4 prism
Coating: FMC
Colour: Black
Eye mask: rotating eye mask
Waterproof: yes
Tripod can be connected: Yes
Connected phone: yes
Used for: racing, beach, bird watching, boating/yachting, horse racing, hunting, outdoor activities, sports, theater, travel
Material: optical glass