Solar Heating Fresnel Lens Fresnel Lens, 200mm Diameter Focal Length 100mm Acrylic Lens 200x200mm Fresnel Lens Square Fresnel Lens 200x200mm Fresnel Lens, 200x200mm, Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 100mm) Was: $107.88 Now: $53.94 (No reviews yet) Write a Review Focal length 100mm, Thickness:2mm, Material: PMMA (Acrylic) We stock fresnel lenses from 5mm to 650mm aperture, which contains both standard and precision ranges of fresnel lenses. The precision range has tighter tolerances with improved surface quality Size: 200x200mm, Focal length 100mm,Thickness: 2mm Material: PMMA (acrylic) Groove pitch: 0., 5mm Transmission (%): 92 (from 400-1100nm) Index of Refraction nd : 1., 491 Operating Temperature (°C): 80 (Maximum) 1pc Large Size 200mm Optical Pmma Fresnel Lens Focal Length 100mm 500mm 1000mm Full Page Magnifier.jpg Six Seasons is a Professional Manufacturer of Fresnel Lens and Optical Lens