4K 10-300X40MM Super Telephoto Monocular Telescope Zoom Monocular Binoculars Pocket Telescope for Smartphone Take Picture

1; Tripod Design: Anti-shake system; special tripod 3D gyroscope; very stable during multiple zooms.
2; Clearer Scenes: BAK4 prism lens; 30 times closer and large field of view; clearer and more colorful scenes. Excellent light transmittance and brightness; brighter and clearer images.
3; Night Vision Function: Built-in night vision function; you can see when there is light at night. Turn on the auto focus and blur the background; you can focus on people or objects need to be observed.
4; Moisture-proof and Waterproof: The Nitrogen-filled waterproof and O-ring optical components can prevent moisture; dust and debris; and ensure service life. The bracket better fits your phone; allowing you to take beautiful photos and adapt to harsh environments.
5; Suitable Group: Suitable for outdoor sports enthusiasts and wilderness explorers; an essential equipment for bird watching; wildlife; hunting; hiking; mountain climbing; camping and travel.
1.Tripod Design: Anti-shake system;  special tripod 3D gyroscope;  very stable during multiple zooms.
2.Clearer Scenes: BAK4 prism lens;  30 times closer and large field of view;  clearer and more colorful scenes. Excellent light transmittance and brightness;  brighter and clearer images.
3.Night Vision Function: Built-in night vision function;  you can see when there is light at night. Turn on the auto focus and blur the background;  you can focus on people or objects need to be observed.
4.Moisture-proof and Waterproof: The Nitrogen-filled waterproof and O-ring optical components can prevent moisture;  dust and debris;  and ensure service life. The bracket better fits your phone;  allowing you to take beautiful photos and adapt to harsh environments.
5.Suitable Group: Suitable for outdoor sports enthusiasts and wilderness explorers;  an essential equipment for bird watching;  wildlife;  hunting;  hiking;  mountain climbing;  camping and travel.

Specification :
Model: 10-300x40
Effective diameter of objective lens: about 30mm/1.3in
Magnification: 7-17 times (corresponding to adjustment level 10X100)
Eyepiece diameter: about 22mm/8.27in
Exit pupil diameter: 4.2-1.7mm
Exit pupil distance: 14-12mm
Actual field of view: 230-110FT 1000YDS
Actual field of view: 4.4-2.1 degrees
The shortest focusing distance: 2.5m
Size: about 173/128x43mm (stretching and shrinking)
Weight: about 300g
Prism: BAK4 prism
Coating: FMC
Colour: black
Eye mask: rotating eye mask
Waterproof: yes
Tripod can be connected: yes
Whether to connect the mobile phone: yes
Used for: racing;  beach;  bird watching;  boating/yachting;  horse racing;  outdoor activities;  sports;  drama;  travel
Material: optical glass
Type: monocular