렌즈 작도 가상실험 (볼록렌즈와 오목렌즈 작도)

You can see the image that appears through the lens construction, and you can explain the pinhole camera and the structure of the eye.

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.