Further Tips to Acheiving a Poper Exposure
• On your DSLR, there are several tools
to be used to achieve a proper
• The Shutterspeed + Aperture (f/stop)+
• the length of time the shutter is open,
exposing the Sensor to light.
• measure in time shutter is open.
• 1/8000 of a second is fast
• 1/80 of a second is slow for a 100mm
• 1” is a second-point at which you must
have a tripod
• 5” is 5 seconds_ point at which you
must have a tripod
• The size of the opening behind the
shutter. It determines the amount of
light that is able to pass during the
opening of the shutter.
• It also determines the DOF (depth of
• You want narrow DOF for portraits,
• You want wide DOF for Lanscape
• How sensitive you sensor is to light.
• Noise will become more noticable at
higher ISO’s, depending on the quality
of your camera.
This sounds like a lot!
• It’s a lot to think about, but it’s like
driving a car. You learn things and use
them one at a time, until you can do
them all at one. You have to learn how
to change your ISO, SHUTTERSPEED,
AND APERTURE “..on the fly”
this is the important
• Use your first step meter to
assess the amount of light in your
scene. You choose how it weighs the
• Spot meters what on the spot you
choose, and yes, you can move that
• Center weighted measures the light in
• Evaluative measures all of the light in
what and why
• Use your vision and brain to assess the
• If there’s a bit of sun in the scene, it will
change the measurement. Look for
whites, blacks, and midtones, snap an
image, then view Histogram to see what
the camera saw.
what and why 2
• Quick moving subject, faster
• DOF and amount of light and
shutterspeed will determine aperture.
• If you cannot get a proper shutter
speed, increase ISO to help, keeping in
mind you’re bringing in more noise the
higher ISO you go.
what and why
• slow moving subject (landscapes,
etc...), use a tripod and longer shutter
speeds with a smaller aperture (f/12-
f/16) to increase depth of field to
achieve proper exposure. Use ISO if
• Use shutterspeed and aperture as well
as ISO to achieve proper exposure.
• what is actully happening in the scene
will determine settings to use.
• Use meter, then adjust according to
what the meter tells you, keeping in
mind what will throw the meter off
(sunlight in the scene).