Features 1、Enhance Magnification: This 0.5X auxiliary objective lens can improve the microscope magnification for clearer and magnified images. 2、Wide Compatibility: With a mounting thread size of 48mm, that is, 1.9in, this lens is compatible with a wide range of microscope models. 3、Improved Image Clarity: The lens features high transmittance and anti blue light properties that enhance image clarity and reduce eye strain. 4、Easy Installation: Simply screw this lens onto your microscope lens to instantly enhance its magnification capabilities. 5、Versatile Usage: This auxiliary objective lens is suitable for various applications, including biological research, education, and industrial inspection. Specification Item Type: Microscope Objective Lens Magnification: 0.5X Installation Thread Size: Approx. 48mm / 1.89in Package List 1 x Microscope Objective Lens