Welcome to our store! Made of high-quality aluminum alloy, it's sturdy and durable. 120x zoom c-mount lens allows for magnified viewing with clear images. Exquisite workmanship delivers bright, clear images with excellent effect. Reduces eye strain during observation to protect your vision. Suitable for all types of optical microscopes and easy to install. Features: Made of high-quality aluminum alloy for robustness and durability. 120x zoom c-mount lens magnifies objects with clear images. Exquisite workmanship provides bright, clear images with excellent effect. Reduces eye strain during observation. Suitable for all types of optical microscopes and easy installation. Widely used in microelectronics, molds, precision machinery, jewelry, watches, fingerprint identification, ticket identification, printing, mobile phone repair, archaeology, biological anatomy, school teaching, and other fields. Especially suitable for observing the surface microstructure of large objects. Specifications: Material: Aluminum Alloy Magnification: 120 times Working Distance: 50mm-350mm Field of View: 3.1mm-66mm zoom c-mount lens zoom ratios: 5:1 Magnification power with 0.11X - 2X Ring Adapter: 35mm (standard) Size: Length: approx. 100mm / 3.9in Standard C-interface: approx. 25mm / 1in Diameter: approx. 35mm / 1.4in approx. 28mm / 1.1in Package List: 1 * Lens If you encounter any product issues after receiving the goods, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.