Comprehensive Optical Experiment Kit Five Circular Diffraction Gratings
20,04 €
The side length of the square is 0.2mm, and the side length of the rectangle is 0.6 0.28mm. 1 x 1" round hole grid. Single seam: seam width is 0.05, 0.1, 0.2m, three types. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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