1. Cameras
&
Lenses
Digital
SLR’s

2. Some
Basics
-­‐
DSLR’s
• Lightproof
box
– Keeps
light
out/let’s
desired
light
in
• Lens
– OpAcal
glass
– Light
enters;
forms
an
image
on
a
chip
– Lens
elements
mounted
together
• Recording
medium
– Chip
is
a
light
sensiAve
device

3. Some
Basics
-­‐
DSLR’s
– Sensors
on
the
chip
send
out
electrical
signals
–
converts
to
digital
form
• Viewfinder
– Mirrors/glass
prism
that
let’s
you
view
directly
through
the
lens
– DSLR’s
have
through-­‐the-­‐lens
viewfinders
• Focusing
Control
– Sharp
pictures
– Rotate
lens

4. Some
Basics
–
DSLR’s
– Autofocus
– Manual
focus
• ShuLer
– Control
length
of
Ame
(shuLer
speed)
–
light
is
allowed
to
enter
the
camera
– Manual
or
automaAc
• ShuLer
release
– BuLon
that
acAvates
the
shuLer

5. Some
Basics
–
DSLR’s
• Diaphragm
– Controls
the
amount
of
light
-­‐
varies
the
lens
opening
– Series
of
leaves
– Manual
or
automaAc
• Image
advance
– Digital
cameras
use
the
same
sensor
over
and
over

6. Some
Basics
–
DSLR’s
• Power
Supply
– BaLery
requirement
– AA
cells
– Specifically
designed
for
camer
– BaLery
charger

7. Types
of
Cameras
• Single
use
• Point
&
shoot
• SLR
– Interchange
lenses
• DSLR
• Medium
format
• Large
format
• Cell
phone
&
video