Fresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 50mm, Acrylic Ultrathin Lens for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 50mm) sold2025 rainfall or UV

rainfall or UV

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

Specification: Diameter of the plastic part: Outside diameter is about 6mm/0

then peeled off when surface is back to room temperature

Fresnel Lens Magnifier, Diameter 100mm (4''), Focal Length 50mm, Acrylic Ultrathin Lens for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 50mm) sold2025 rainfall or UVFresnel 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