Feature:1. The magnification is 20 times, with a wide viewing angle and a wide field of view.2. Enhances the viewing experience and makes the image clearer and brighter.3. Adopts highquality aluminum alloy, durable and wearresistant, can be used for a long time.4. Exquisite workmanship, can be widely used in metallurgical microscope.5. Portable, light weight, small size, easy to carry, easy to install.Specification:Item Type: Objective LensMaterial: Aluminum AlloyColor: As shown in the pictureModel: KP-20XMagnification: PL20XNumerical Aperture: 0.4Working Distance: 8.8mm/0.35inHow to Use:Get the product, first look at the lens parameters, install it on the corresponding device, and then perform observation and measurement..Package List:1 x Objective Lens1 x Installation Diagram