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LED Rechargeable spectacle magnifier
11537DC is a new LED foldable eyeglass magnifying glass, which can be recharged by USB, and is popular with consumers. Here are the features. 1,Lengthened and ultra-high magnification magnifying lens, equipped with 4 pcs lenses with different magnification, with a maximum magnification of 5 time...Read more -
Acrylic lens and glass lens for magnifier
Magnifier is a simple visual optical device used to observe the tiny details of an object. It is a convergent lens whose focal length is much smaller than the apparent distance of the eye. The size of the object’s image on the human retina is proportional to the angle of the object to the e...Read more -
The Manual for NO.81007BC
4 LED POWER DISPLAY HEAD MOUNTED MAGNIFIER Battery model:702025 Voltage:3.7V Battery capacity:300Ma Lens magnification:1.5x,2.0x,2.5x,3.5x Lens Material: Optical lens. For your safety, please read this manual carefully before use and keep it for future reference Fi...Read more -
Rotary folding handheld magnifier
When using this product: Do not look at LED light source directly for long time to avoid eye injury. Do not put the magnifying glass in direct sunlight to avoid fire. For your safety, please read this manual carefully before use and keep it for future reference. Package...Read more -
INFORMATION&INSTRUCTIONS MODEL 113 SERIES OF PRODUCTS BIOLOGICAL MICROSCOPE
APPLICATION This microscope is designed for research, instruction ,and experiments in schools. SPECIFICATIONS 1.Eyepiece: Type Magnification Vision field’s Distance WF 10X 15mm WF 25X 2.Abbe condenser(N.A.0.65),variable disc diaphragm, 3.Coaxial f...Read more -
DQL-7 COMPASS MANUAL
1.Use Model DQL-7 is for measuring azimuth, distance, slope, height and mileage. The instrument can also be used to measure the simple map. There's some luminous powder on the instrument's suitable parts for using it at night. 2.Structure The i...Read more -
What is gluing of optical lens?
An optical lens is usually a lens group composed of several lenses. How do the lenses connected together? This issue will introduce the gluing process of optical lens and learn its function in the lens manufacturing process. Definition of gluin...Read more -
G1600 Digital Microscope Instructions
Main parameters: 1: Pixel: HD 12 megapixel 2: Display screen: 9-inch HD LCD display. 3: Magnification: 1-1600 × continuous amplification system. 4: Distance between object: 10MM to infinity (different distance...Read more -
Optical Lens
Optical lens is the lens made of optical glass. The definition of optical glass is the glass with uniform optical properties and specific requirements for optical properties such as refractive index, dispersion, transmittance, spectral transmittance and light absorption. Glass that can change th...Read more -
MAGNIFYING LAMP (MAGNIFIER LAMP)
They are also named desktop magnifying glass, or desktop magnifier with lamp, it is a magnifier shaped like a table lamp. There are two kinds: desktop magnifier with lamp is a desktop magnifier with complete functions. Those withou...Read more -
What is Money detector banknote detector? How to identificate Counterfeiting technology?
Banknote detector is a kind of machine to verify the authenticity of banknotes and count the number of banknotes. Due to the large scale of cash circulation and the heavy work of cash processing at the bank cashier counter, the cash counter has become an indispensable equipment.With the developme...Read more -
Introduction to hand held microscope mini microscope
Hand held microscope is also called portable microscope. As its name suggests, it is a small and portable micro microscope product. It is a high-tech product successfully developed by perfectly combining elite optical microscope technology, advanced photoelectric conversion technology and liquid ...Read more