Midterms

• essential parts of camera are body and lens
• body


  a light tight box that serves as an unbending structure on which every single other part are mounted furthermore serve to shield the film from introduction to light, aside from during the time spent taking the photo
• body is for the most part made out of hard plastic and light metal
• lens is a type of plastic or glass and in more expound camera, its lens is comprise of a few bit of glasses mounted in a chamber called the lens barrel
• convex lens sometimes called a positive lens; the glass or plastic surfaces bulges outwards in the center giving the classic lentil-like shape
• convex lens also called a converging lens because it makes parallel light rays passing through it bend inward and meet(converge) at a spot just beyond the lens known as the focal point
• concave lens also known as negative lens
• concave lens' outer surface curving inward, so it makes parallel light rays curve outward or diverge
• lens aberration is an excuse used over and over again to explain why things don't work out as intended
• types of lens aberration


  astigmatism, chromatic aberration, coma, field curvature, and distortion