Feature:1. Suitable do industrial video camera with HD Multimedia Interface VGA USB microscope. 2. The lens is a Type-C adapter that is used do connect a camera or digital eyepiece do a microscope. 3. The blue anti-reflective coating of the lenses increases light transmission. 4. Magnification of 0,7-5x to meet more needs and achieve a wider field of view. 5. The product is made of high-quality material to provide a more professional-grade tool. . 200X Adjustable Continuous zoom Optical Lens . 200X Adjustable Continuous zoom Optical Lens . 200X Adjustable Continuous zoom Optical Lens Specification: Item Type: Microscope Lens Material: Aluminum Alloy Color: as shown in the picture Applications: electronic detection, crystal detection, etc. Application: Suitable do industrial video camera with HD Multimedia Interface VGA USB microscope Lens with mount C 10X-200X: Working distance: 90 MM-150 MM Scaling Ratio: 1:7,2 Magnification: 0,7-5x (about 10-200 times on screen). Maximum magnification of the field of view: 3,2 mm x 1,8 mm. Minimum field of view: 37 mm x 21 mm. Eyepiece Lens: 0,4X Product Size: Approx. 55x135mm/2.17x5.31in (D x L) Weight: approx. 508 g / 17,9 oz . 200X Adjustable Continuous zoom Optical Lens . 200X Adjustable Continuous zoom Optical Lens . 200X Adjustable Continuous zoom Optical Lens Package List:1 x Microscope Lens . 200X Adjustable Continuous zoom Optical Lens . 200X Adjustable Continuous zoom Optical Lens . 200X Adjustable Continuous zoom Optical Lens