Welcome to our store! 1、APPLICABLE OBJECTS: 180X zoom lens, adjustable magnification, suitable for VGA USB industrial video microscope camera. 2、HIGH DEFINITION IMAGE: High resolution three-dimensional image, high depth, the zoom of the lens body is flexible and convenient, and easy to use. 3、ZOOM AND MAGNIFICATION: The magnification effect of the lens is 0.7-4.5X (approximately 10-180X on the screen), the working distance is 125mm, and the zoom ratio is 6.5:1. 4、EASY INSTALLATION: C-mounted microscope camera lens, C-mount design, easy to install on the microscope, easy to observe the internal structure of the object. 5、DURABLE IN USE: Selected high-quality alloy materials, sturdy and durable, corrosion-resistant, wear-resistant, not easy to damage, and long service life. Item Type: C Mount Lens Material: Alloy Purpose: Suitable for VGA USB industrial video microscope camera for electronic inspection, jewelry inspection, LCD, crystal inspection, etc. Working Distance: Approx. 125mm / 4.9in Zoom C Mount Lens: 0.5x C Mount Adapter Zoom Ratio: 6.5:1 Objective Lens Magnification Effect: 0.7-4.5X (Approximately 10-180X on a 22in Screen) Maximum Field of View for Multiples: Approx. 2.8 x 1.5mm / 0.11 x 0.06in Minimum Field of View for Multiples: Approx. 25x14mm / 0.98x0.55in Lens Length: Approx. 168mm / 6.6in Lens Diameter: Approx. 50mm / 2.0in 1 x C Mount Lens Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.