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Size: Φ400mm, Focal Length: 240mm, Thickness: 3mm, Material: PMMA (acrylic), Groove pitch: 0.5mm, Transmission (%): 92 (from 400-1100nm), Index of Refraction nd : 1.491 Operating Temperature (°C): 80 (Maximum)
6pc Optical Lens Set, 2" (50mm) Diameter - 3 Double Convex Lens & 3 Double Concave Lens - 200mm, 300mm, 500mm Focal Lengths - Optically True Glass - Ground, Beveled Edges - Eisco Labs
KWD 7
![13,500 Lines/inch Diffraction Grating Sheet - Double Axis [5 Feet x 6 Inch Roll]](https://cdn1.tilga.com/md/prod/1/1484/3/38687469.39829.jpg)
13,500 Lines/inch Diffraction Grating Sheet - Double Axis [5 Feet x 6 Inch Roll]
KWD 9
Fresnel Lens, Diameter 200mm (7.9''), Focal Length 100mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 100mm)
KWD 8.500
Fresnel Lens, Diameter 100mm (4''), Focal Length 50mm, Acrylic Lens (not Glass), for Physics Classroom,Solar Heating,Magnifiying. (Focal Length 50mm)
KWD 5.500
