Optical Science 50x50mm Interferenzbeugungsgitter Set mit Varianten
ab 8,11 €
Grid: grid is composed of 90 degree cross lines, 20, 40, 60 lines/MM respectively. 1 x composite grid 1. The side length of the square is 0.2mm, and the side length of the rectangle is 0.6 0.28mm.
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