4 diffraction holes slide
Film set on a slide
Figures obtained by flashing method
4 holes of 0.8 / 0.4 / 0.2 / 1.2 mm
Tolerance +/- 10%
Dimensions: 50 x 50 mm
Packaging: sachet of 25 units for a reference
- School level
- Senior high school.
- Easy to identify: serigraphy.
- Different diffraction figures on a same slide.