New Mini LED 100x Digital Microscope Lighted Magnifier
Pocket LED 100X Microscope with scale Markings
It can magnify stamps, coins, antiques, insects, circuits, machines, fabrics, food, decorations, etc.
And can also help visually impaired patients magnify small text for reading
Reading scope scale at 0.05mm division (min unit)
Bright LED light of the Magnifying Glass provides enough light at any dim conditions
On / off LED activation arch
Powered by 2 AA batteries (not included)
Black faux leather bag included
Magnifier size: 140 x 52 x 22 mm
Color: white and black
1 x LED 100X Microscope
1 x Pouch
1 x Chinese Manual
Magnifying glass is convex, that is, 'reading glasses', also known as hyperopia mirror, reading newspapers is a good helper.
Generally used for projectors, cameras, microscopes, telescopes.
When the object distance (focal length, to amplify the upright virtual image
When the object distance = focal length, not imaging
When one focal length (object distance (twice the focal length, to amplify the inverted real image
When the object distance = twice the focal length, a handstand and other large real image
POLICE check fingerprints with a magnifying glass
Agricultural workers use it to watch the seed germination rate of radical structures such judgment ......