A lens is something that transmits and refracts light. Some examples of where you can find lenses are your eyes and cameras.
It is lens. The lens consists of the lens capsule, the lens epithelium, and the lens fibres.
The ocular is the upper lens and objective is the lower lens
)( is a concave lens() is a convex lens
The objective lens
if you are using A+ it is lens
Converging lens is a convex lens.
A crystalline lens is the lens in the human eye.
Double-convex lens
This depends on the type of lens. If it is a convex lens then they converge at the focus on the other side of the lens. If it is a concave lens, then they diverge and appear to be coming from the focus present on the same side of the lens as the incident ray.
= A lens cap is a cover to a lens on a camera or camcorder.=
The upper lens is called the ocular lens or the eyepiece.
The Shutter.