Question

the image produced by a camera lens is real and upside down. what type of lens does a camera have? concave lens magnifying lens convex lens

Explanation:

A concave lens always produces virtual, upright, and diminished images. A magnifying lens (which is a convex lens used for magnification when the object is within the focal length) produces a virtual, upright, and enlarged image. A convex lens can produce real and inverted images when the object is placed beyond the focal length, which is the case in a camera.

Answer:

convex lens