A convex lens.
oncave
convex lens
The diffrence between thick and thin lens depends on your precription for your eyes.
concave lens
CONCAVE lens.
oncave
Concave. The opposite- thick in middle, thin at edges- is convex.
convex lens
The diffrence between thick and thin lens depends on your precription for your eyes.
a concave lens is thin in the middle, but thick on the sides. It does this: it makes what you look at bigger because it spreads out light
concave lens
CONCAVE lens.
thick.
They can be either. They will converge if thicker in the middle than edges, and diverge if thinner in the middle than edges.
A lens that is thinner in the middle and thicker at the edges is called a concave lens.
a convex lens
thicker at the edges that in the middle