Features 1、STANDARD DESIGN: The auxiliary objective lens has standard C mount, 24mm connection aperture, ensuring stable and reliable connection. 2、OPTICAL LENS: This objective lens uses optical lens to provide clearer and sharper microscopic images, greatly improving work efficiency. 3、ALUMINUM ALLOY: The objective lens frame is made of excellent aluminum alloy, lightweight and durable, making it easy to carry and use. 4、PARALLEL BEAM: This parallel beam auxiliary objective lens provides more accurate observation results, suitable for monocular microscope. 5、APPLICABLE SCENE: This objective lens is suitable for observing organisms, plants, insects, etc., to meet different experiment or learning needs. Specification Item Type: Objective Lens Material: Aluminum Alloy, Optical Lens Lens Connection Diameter: Approx. 24mm / 0.94in Package List 1 x Objective Lens