Next week I'm going to be teaching optics to my physics class.
I know that as aperature is increased less light is let into the lens and depth of field is increased.
Can someone give my a good explanation as to WHY this happens? It would be nice to be able to describe it using a ray diagram.
I know that as aperature is increased less light is let into the lens and depth of field is increased.
Can someone give my a good explanation as to WHY this happens? It would be nice to be able to describe it using a ray diagram.
Comment