This 0.5x C-mount adapter is designed to connect CCD cameras or digital eyepieces to microscopes. Includes two adapters: 23.2 turn to 30mm and 23.2 turn to 30.5mm. Features a compact design that fits snugly with the lens tube, allowing for easy control of insertion depth. The lens boasts a blue anti-reflective coating to enhance light transmission. Can be used in any eyepiece position with 23.2mm, 30mm, or 30.5mm diameters, offering 0.5x magnification for a wider field of view. Specifications: Material: Metal Weight: 142g/5oz Color: Black Model: kp-05x Interface: C-mount Interface size: 23.2 turn 30mm; 23.2mm turn 30.5mm (as shown in pictures). Package list: 1 x 0.5X C-Mount lens adapter, 1 x 30mm ring adapter, 1 x 30.5mm ring adapter. Note: Please allow for slight errors due to manual measurement. Monitor calibration may vary, so the item's color might differ slightly from the picture. Please consider the actual product as the standard. Your 100% satisfaction is our top priority. We are committed to providing the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution.