Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si The microscope condenser is made of high-quality materials, which is not easy to break and can be used for a long time. Suitable for observing small objects, such as coins, jewelry, cosmetics, watches, etc. The microscope is easy to install and disassemble without any tools. Just put the microscope in the center of the housing and screw it into the microscope. You will receive a microscope condenser, which can meet your . Name: microscope condenser Upper diameter: 37 mm Numerical : 1.25mm. Colour:As Shown Material:Optical glass Package Contents: 1 x Microscope condenser Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.