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Magnifying glass HTML5

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Summary

In its simplest form, a magnifying glass is a single convex lens which causes the light from the object being observed to refract and converge on the eye. The enlarged image provided is sharp at the focal point of the lens where all the light rays converge. Microscope and telescope eyepieces are complex magnifying devices using several lenses.

The magnification ilustrated is 2X.

Click and drag the magnifier above the picture.

Learning goals

  • To illustrate what we see through a magnifying glass.

Keywords

Learn more

The focal length of a lens is the distance which separates its optical centre from its focal point when an object at infinity that is reflecting light rays which are parallel to one another is…

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