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:
Colour: black
Eye : rotating eye
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

Packing List:
1 x 10-300X40MM
Or
1 x 10-300X40MM
1 x Tripod
1x Photo Clip Binoculars High Power Adult Bird Watching Traveling Scopes Waterproof Range Finder Reflector Telescope Astronomical Science Refractor Tripod Astronomy Beginner Riflescopes Microscopes Monoculars Hiking Camping Travel Optical