Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a transparent ...

We compare and contrast concave and convex lenses by drawing ray diagrams. In this Closer Look segment on Lenses, we compare and contrast concave and convex lenses by drawing ray diagrams and ...

A periscope camera lens is a lens assembly that uses prisms, mirrors, or a combination of them to redirect light before it reaches the camera sensor. In doing so, it magnifies the image more so than ...

3. Shape of Optical lens: Plano lens,bi convex lens,bi concave lens, ball lens,Spherial lens 4. Inside quality of Optical lens: clear and transparent, no mold marks, no inside bubble and dirts, 5.

A new 85mm F1.2 is on its way for Canon’s mirrorless EOS R system, the fifth lens to join the new lineup of lenses. The medium telephoto prime is a particularly flattering length for portrait and ...