렌즈 작도 가상실험 (볼록렌즈와 오목렌즈 작도)

You can see how the image is made through the construction of convex and concave lenses.
You can move the object on the left.
The size of the object can be adjusted.
You can also change the focal length.
And you can see how it looks in the magnifying glass.
By application
Principle of simple camera and eye structure can learn.