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Monocular Telescope 8-20x50 Powerful latest Smart with Phone NEW

Monocular Telescope 8-20x50 Powerful Monocular with Smart Phone

$95

Monocular Telescope 8-20x50 Powerful Monocular with Smart Phone

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Product description

Color:Black

Product name:zoom monoculars
Focusing system:one-handed focusing
Product size:227*66*78mm/8.9*2.6*3.1in
Magnification:8-20 times
Prism material:BAK4 prism
Objective lens diameter:50mm
Eyepiece diameter:20mm
Prism coating:FMC multilayer coating
Product net weight:403g
The difference between monocular/binoculars:
Binoculars are mostly used for close observation,(traveling or watching sports events,etc.)
Monoculars are mostly used for long-distance observation,(such as watching the city on the roof of a building,observing animals in the field)
Observing the starry sky is an astronomical telescope
1.The binoculars have a wider field of view,and the monoculars have a narrow field of view.
2.The principle is different:Binoculars are often composed of a convex lens and a concave lens to form a light path.Monoculars are often composed of two convex lenses to form a light path.
3.The single tube is often longer and the double tube is shorter,which is also determined by the different principles.
4.The first reason is that the binocular has two objective lenses,so the field of view is wide,and the other reason is that the magnification of the binocular is often lower than that of the monocular.

Monocular Telescope 8-20x50 Powerful Monocular with Smart Phone
























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