A convex lens will scatter outbound light and focus inbound light.
projector have concave or convex
You would use a convex lens.
Today's microscopes use convex lenses.
Convex Lens
The other end of the lens housed a convex lens.
Magnifying glasses use convex lenses
convex lenses are for short sighted people.
a convex lens
You would use a convex lens.
convex lens
convex lens
A convex lens will scatter outbound light and focus inbound light.