2020-06-03 19:39

Jilin Henghua Optoelectric Co, Ltd.-Inventory

Inventory Jilin Henghua Optoelectric Co, Ltd. is a professional large-scale manufacturer of optical products, integrating development and production together. We are specialized in manufacturing all t

2021-12-01 11:30

Sphero cylindrical lens tells the basics of lens

A lens is an optical element made of a transparent material whose surface is a part of a spherical surface. The lens is composed of several lenses. There are two types of plastic lenses and glass lenses. Glass lenses are more expensive than plastic.

2021-12-14 13:23

china Sphero cylindrical lens introduces the principle of lens

Lens is the basic optical element that composes the microscope optical system. The objective lens, eyepiece and condenser are all composed of single and multiple lenses. According to their different shapes, they can be divided into two categories: convex lens (positive lens) and concave lens (negative lens).