New Mini LED 100x Digital Microscope Lighted Magnifier

Product Description:

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

Weight: 90g

Package Included:

1 x LED 100X Microscope

1 x Pouch

1 x Chinese Manual

放大镜就是凸透镜, 就是'老花镜', 也叫远视镜, 是看书看报的好帮手.

一般用于投影仪, 照相机, 显微镜, 天文望远镜.
可以聚光
当物距 (焦距时, 成放大正立虚像
当物距=焦距时, 不成像
当一倍焦距 (物距 (二倍焦距时, 成放大倒立实像
当物距=二倍焦距时, 成倒立等大实象
公安用放大镜查指纹
农业人员用它看种子的胚根等结构判断发芽率......