2 x 20 mm PMMA Fresnel Lens Focal Length 15 Solar Condensation Magnifier 3X (50 mm)

Precise 20mm diameter Fresnel lens made of optical grade PMMA that provides 92% light transmission for efficient solar concentration and magnification applications. Choose between 10mm, 15mm or 50mm focal lengths depending on your project needs. This kit contains 2 pieces with a continuous thickness of 2 mm for reliable performance. Provides 3x magnification power, ideal for use in plane magnifiers, solar concentrators, flashlight optics and stage lighting effects. The lightweight and durable reusable construction resists impact and weather conditions and ensures long-lasting use in experimental setups indoors and outdoors. The compact mini size easily fits into homemade optical systems, teaching kits or replacement lens applications without the need for extra volume for your device.