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Highly efficient embossed Holographic Optical Elements (H;O;E;) Use for the direct viewing and analysis of spectra from different gas tubes and other light sources Spectrum quality - the brightest possible with a minimum of distracting visual noise
Linear Polarization A5 Sheet Polarizer Educational Physics Polarized Filter Optical
KWD 5.500
Double Convex Lens, 50mm Focal Length, 1.5" (38mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs
KWD 5
![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 8.500
-9%
Hemobllo Optical 3D Lens for Magnifier - 20 Pcs 42mm Diameter Double Convex Lenses 68mm Focal Lengths Biconvex Lens Magnifying Glass Lens Optical Plastic PMMA Lens
KWD 5
