Right
at the base is the word "resolution." Resolution refers to the size of
the image being taken. Generally speaking, it is important to use all
the resolution your camera has to offer. You can always reduce the size
of the image later if you need to e-mail it.
And,
since most of us tend to include more in the picture than we
anticipated, we often crop or cut away portions of the existing photo.
So, for example, if you cut away 50% of a 12 megapixel image it’s like
you took the picture with a six megapixel camera. Spend time with your
instruction manual or my tutorials to get a firm understanding of what
resolution is all about and where you set it on your camera.
The
next level of the pyramid is “compression.” Compression is used with
JPEG camera files to reduce their size by removing certain variations
in color that are often not noticeable to the human eye.
But
if too much is removed (via too much compression) the images show
so-called "artifacts" which are really errors in the picture.
Originally
we compressed images to make smaller files to save space. This Is not
needed today with our very large storage cards. It is important to
check your camera to make sure is set for the least compression which
delivers higher quality.
The third level
of the pyramid is digital zoom. Digital zoom claims to extend the
telephoto range of your camera. But in fact, all digital zoom does is
take the closest picture possible using the lens and further crop it.
And, as you just learned with resolution, cropping an image reduces the
overall resolution. It is important to know when digital zoom is being
used and if it can be permanently turned off on your camera.
The
fourth level of the pyramid is exposure compensation. Simply put, on
your camera there is a button or menu that allows you to lighten or
darken the picture if needed. This is a very important and powerful
control that will allows you to take a better picture without having to
deal with the cumbersome manual controls involving f-stops and shutter
speeds. Locate where your exposure compensation control is located and
spend time practicing its use.
The fifth
level of the pyramid is about the buttons controlling flash, self timer
and multiple shot or "burst" mode. Usually the multiple shot “burst”
mode is controlled by the same button that offers the self timer. These
apparently are grouped together to save space. But if you want to use
them, you will need to know how to select each choice.
The
flash button or menu is another multiple choice item. The flash is not
simply “on” or “off,” but has many other settings such as red eye
reduction, night shot, etc.), depending on how many times the flash
button is pressed. It is also important to understand the flash is
mainly for snapshots and does not carry a long distance. There may also
be an unrelated button nearby to change the amount of information
displayed on the camera screen as well. Few people discover this button.
The
sixth level of the pyramid is ISO. The sensitivity of your camera to
light is represented in a numerical value called ISO. When the camera
is taken off the decision free mode it is possible to change the ISO to
increase or decrease the sensitivity of the camera. This may result in
better pictures in low light or sharper or more colorful pictures in
bright light. It is important to learn how to use the ISO settings if
you are moving past the decision free setting, as it expands the range
of photos you will be able to take.
The
seventh level of the pyramid shows settings not every user needs to
worry about. These include white balance, metering patterns, and in
some cases focusing patterns. You will need to read about them and
decide how much you want to know about them!
The
eighth level of the pyramid is a mixed bag of aesthetic settings. These
include black-and-white photos, sepia, soft focus, vivid or muted
colors, and perhaps settings for photographing text. Note that most of
these visual effects can be accomplished with more control using
software on a computer and working with the original color image.
And
finally at the top of the pyramid are a variety of what I call
specialty gadgets that are built into some cameras. These include face
detection, smile detection, blink warning and panoramic stitching.
While they each do work, and in some cases well, you need to decide how
important they are to you and how difficult they are to turn on and off.
These
are just some basic components found in digital cameras. I did not
include anything about movies because this is a pyramid for still
photography. I also left out “scenes” as they are self explanatory.
Spend
quite a bit of time on the first three or four lower levels, as they
are critical taking better pictures. When you find something that you
want to remember in the manual I would suggest that you highlighted
with a yellow marker and perhaps put a tab on that page. Thanks for
taking the time to look at the digital camera pyramid!