Welcome to our store! 1, Enhance Magnification: This 0.5X auxiliary objective can enhance your microscope's magnification for clearer and enlarged images. 2, Wide Compatibility: Featuring a mounting thread size of 48mm, meaning 1.9 inches, this lens is compatible with a wide range of microscope models. 3, Improved Image Clarity: The lens boasts high transmittance and anti-blue light properties, enhancing image clarity and reducing eye strain. 4, Easy Installation: Simply screw this lens onto your microscope's objective lens to instantly boost its magnification capabilities. 5, Versatile Use: This auxiliary objective is suitable for various applications, including biological research, education, and industrial inspection. Item Type: Microscope Objective Lens Magnification: 0.5X Installation Thread Size: Approx. 48 mm / 1.89in 1 x Microscope Objective Lens Customers are our top priority. If you encounter any issues 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.