42mm Convex Lens 75mm Focal Length 4X Magnifying Lens, 2Pcs PMMA Acrylic Optical for Science Experiments, DIY

OPTICAL PMMA MATERIAL: Crafted from optical PMMA Reusableplastic, these convex lenses offer excellent light transmission and clarity while being lightweight and shatter-resistant, ideal for educational and hobbyist use. PRECISE SPECIFICATIONS: Each lens features a 42mm diameter and a 75mm focal length, providing a 4X magnification power. The convex devise focuses parallel light rays to a single point, making it suitable for various optical applications. VERSATILE APPLICATION: Perfect for science experiments, DIY projectors, VR headset modifications, magnifying glasses, and basic optical demonstrations. Works well with standard lens holders and optical benches. EASY TO HANDLE & INSTALL: The 42mm size is convenient for mounting in frames or holders. The acrylic material is easier to cut, drill, or modify than glass, allowing for custom projects without special tools. PACKAGE INCLUDES: You will receive 2 pieces of convex lenses. Each lens is individually protected to prevent scratches. Ideal for replacement, spare, or dual-lens optical setups.