Features 1、High quality C-mount lens for industrial microscope camera, convenient to use. 2、Suitable for XDC and for XDS monocular video microscopes, very reliable. 3、Double the total magnification of the microscope and shorten the focusing length. 4、Practical accessory, easy installation, suitable for industrial microscope camera. 5、Made of high quality material, which is durable and can be used for a long time. Specification Condition: 100% Brand New Item Type: C-Mount Lens Material: Metal + Glass Height: Approx. 15mm / 0.6in Outer Diameter: Approx. 45mm / 1.8in Inner Diameter: Approx. 32mm / 1.3in Connection Diameter: M42x0.75 Magnification: 0.3X Mounting Thread: 1-3/4in (42mm) Objective Zoom Multiple: 0.7-4.5X (About 10-180X on the display screen, about 0.35X 0.5X 2.0X, magnification about 2.45-360X) Package List 1 x C-Mount Lens