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American 3B Scientific U14100 Diaphragm with 3 double slits of different widths)

Photographic diffraction objects in a slide frame. Dimensions: 50 x 50 mmÂ², Slit width [mm]: 0.10; 0.15; 0.20, Slit spacing [mm]: 0.30, No. of slits: 2.

Photographic diffraction objects in a slide frame. Dimensions: 50 x 50 mmÂ², Slit width [mm]: 0.10; 0.15; 0.20, Slit spacing [mm]: 0.30, No. of slits: 2.

Simple and easy to use
2" x 2" x 0.4"
Simple and easy to use
2" x 2" x 0.4"

American 3B Scientific U14100 Diaphragm with 3 double slits of different widths);