Monocular Telescopes, 4K 10-300X40mm Telephoto Zoom Monocular Telescope for Beach Travel for Bird Watching/Hunting/Camping/Travelling/Hiking
Compatible mobile phone : almost all other smartphones on the market.
Description:
Objective lens diameter: 30mm
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 di: 2.5m
Size: 173/128*4m (stretching and shrinking)
Weight: 320g
Prism: BAK4 prism
Coating:
Colour: Black
Eye : rotating eye
Waterproof: yes
Tripod can be connected: Yes
Connected phone: yes
Used for: racing, beach, bird watching, boating/yachting, horse racing, outdoor activities, sports, theater, travel
Material: optical glass
Type: Monocular