Fresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 50mm, Acrylic Ultrathin Lens for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 50mm) sold2025 please see the detailed information

please see the detailed information above

318 H x 10

VERSATILE AND FAST: 3/8" 3-flat shank prevents slippage when drilling new holes or enlarging existing holes

PEI is excellent because it can withstand the numerous heat cycles that a 3D print bed goes through from print to print

Fresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 50mm, Acrylic Ultrathin Lens for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 50mm) sold2025 please see the detailed informationFresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 50mm, Acrylic Ultrathin Lens for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 50mm) Size: 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) Product Features 1 Pack Round Fresnel Lens Magnifier Size: 100mm, Thickness: 2mm, Material: PMMA (Acrylic) High