Fresnel lenses are often also used as materials in interesting scientific experiments.
Below is an introduction to the casebook information sharing among science teachers.
We were surprised that fresnel lens was really published in the casebook.
After purchasing the lens, he tried the experiment with students and he was very satisfied.
His students were surprised that they can look the faces of thier friends standing in a window. through the lens.
Red circles under the pictures are parts of the look that is projection out of the window.
FL900-300 is used in this experiment and the teacher purchased FL406-300 and FL2000-300 for additional experiment.
Question for fresnel lens used in science teaching
Myung Joong Kim