Fresnel Lens Magnifier, Diameter 200mm (7.9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) electronics3 Hero 10/9/8/7/6/5/4/3+/3/Session/Fusion AKASO SJCAM action

Hero 10/9/8/7/6/5/4/3+/3/Session/Fusion AKASO SJCAM action cameras

Steady performance

Off-Air Antenna

Read more Excellent conductivity and corrosion resistance Copper barrel provides increased current flow

Pore Size: 0

Fresnel Lens Magnifier, Diameter 200mm (7.9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) electronics3 Hero 10/9/8/7/6/5/4/3+/3/Session/Fusion AKASO SJCAM actionFresnel Lens Magnifier, Diameter 200mm (7. 9''), Focal Length 200mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 200mm) Size: 200mm 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) Product Features 1 Pack Round Fresnel Lens Magnifier Size: 200mm, Thickness: 2mm, Material: PMMA (Acrylic)