Portable 10-300X40mm 4K Super Telephoto Zoom Monocular Telescope for CampingProduct selling points:[Monocular Super Telephoto Lens]: The telescope's anti-shake system and the special 3D gyroscope tripod make the telescope's field of view very stable when magnified several times. [Small light night vision]: Built-in night vision function allows you to use it normally at night. Activate autofocus and blur the background function, brake you can focus on observing the person or object to be observed. [Lightweight and portable]: The shell is made of titanium alloy, which has higher specific strength and weighs only 118g. When stored, the length is only 4.62 inches and you can easily put it in a backpack or pocket when hunting, traveling or camping. [Waterproof, dustproof and shockproof design]: Nitrogen-filled sealed and O-ring optical components can prevent moisture, dust and debris, and ensure the life-proof function. [Ideal for outdoor sports enthusiasts and nature explorers]: Portable equipment is essential equipment for bird watching, wildlife, hunting, hiking, mountaineering, camping, hiking. camping, surveillance and travel. Description:Objective diameter: 25 mm Magnification: 10x300Eyepiece diameter: 12mm Exit pupil diameter: 4.2-1.7mm Eye relief: 14-12mm Field of view: 0.5-3000mMinimum focus distance: 2.5m Size: 192 / 117x32mm (stretch and shrink) Weight: 118g Prism: BAK4 prism Coating: FMC Color: Black Eye mask: rotating eye mask Waterproof: yes The tripod can be logged in: Yes Phone logged in: yes Used for: running, beach, bird watching, boating / yachting, horse racing, hunting, outdoor activities, sports, theater, travel Material: optical glass Type: monocular Products include: 1x 10-300X40mm monocular telescope