igital Cameras Revealed
A Guide to Digital Photography Terminology
up walking right
mean? And which factors matter
ade up of thousands of tiny dots called pixels. Because of this, the more megapixels a
xels used to be the
most important consideration when choosing a camera, it is
This is also referred to as an “f-stop” and deals with the how
era’s lens can open. You’ll find it listed in a fraction such as f/2 or f/8. The larger the
Cameras with image stabilization promise to cut down on blurring from camera movement. However,
mera with optical image stabilization rather than just digital stabilization.
camera’s image sensor to detect movement. Once movement is detected, the camera makes the
Zoom deals with a camera’s angle of view. Usually, this number is a multiple of the camera’s base
sually 35mm. Telephoto focal lengths like 100mm or 200mm allow you to zoom in close on a
The higher the ISO number, the more sensitive a camera can be to light. High ISO photographs are
ensitive to light and can take pictures in low light without blurring. However, pictures taken
Some older cameras can have a long lag between the time you press the shutter release button and
mera actually takes a picture. While shutter lag is not a statistic you will generally find
o an electronics store looking for a digital camera and you may end
ck out with a headache. Megapixels? Aperture? ISO? What does it a
most when buying a camera?
Pictures are m
camera has, the higher resolution its pictures will be. Also,
pictures with more megapixels can be magnified a great
deal without suffering from a fuzzy “pixilated” look.
While the amount of a camera’s megapi
almost irrelevant today. Even a 3 megapixel cell phone
camera can take pictures suitable for 8x10 printing. Almost
all cameras sold nowadays have at least 8 megapixels –
more than enough for making nice prints.
big the cam
aperture, the more light can be collected, and the shorter the time the shutter has to ope