Features: 0.5X magnification, making it easier to observe small objects more clearly. C-mount adapter lens, mainly used to connect CCD camera or digital eyepiece to the microscope. This product is made of glass material, durable in use and long service life. Well-made, easy to install and use, can provide clear images - for easy observation. Perfect microscope accessories, excellent quality, ensure better observation effect. Specifications: Material: Metal Mounting size: 23.2 mm (to connect binocular mount) C-mount thread: 25.4 mm (to connect electronic eyepiece or CCD camera) Suitable microscope: biological microscope and stereo microscope Suitable sensor: 1/2'' 1/2.5'' Note: Please allow 1 mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x microscope adapter