1. CAMERA
Dizon, Coralde, Patub
o
Tau

2. HOW DO CAMERA LENSES WORK?
LENS BASICS
- Objects give off reflected rays of
light all directions.
- Light for the target image enters the
camera through a glass or plastic lens.
This bends (refracts) the light.
- All the rays of light from a point on
the target object will meet a certain
point (focal point).

4.  In a camera, by
adjusting the
distance of the lens
you can get the
light from your
subject to fall
focused onto a film
plane.

5.  In film cameras the focused light falls on a
photosensitive chemical emulsion coating a
plastic film.
 In digital camera it falls onto a CCD receptor.
 Your eye works exactly in the same way with
light being focused onto your retina

7. FOCUSING
 light falling from objects at different distances
will have a different focal plane.

8.  This explains
why sometimes
when you take a
photo of
something close
up the
background
appears fuzzy
(and vice versa)