Concave lenses curve inwardly.
Convex lenses curve outwardly.
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A concave lens helps you see far if you're nearsighted and convex lenses help you see near if you're farsighted.
They are not the same. Convex lens bulge outward, and concave lenses go in ward. Convex lenses focus light, and concave lenses spread light out.
Objective lenses are convex lenses.
convex and concave
i think they have convex lenses
Convex bulges outward (thicker in the center than the edge)Concave bulges inward (thinner in the center than the edge)Convex lenses magnify when you look through then, concave lenses make things look smaller.You can focus a distant object to a point with a convex lens (the image will be upside down).
A concave surface curves inward. Cave-in
They use convex lenses because they need to focus the light IN to the eye. Convex focuses in while concave spreads the light out. So, they use convex lenses.
yes
they are both lenses and form images
Concave lenses are thicker at the edges then at the middle. A Convex lens is a lens that is thicker in the center than at its edges.
windows if u have a old camera or binoculars,u could open them up and get the concave and convex lenses from there.