March 2008
Beginner
230 pages
7h 45m
English
Content preview from The Digital Photography Companion
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IMAGE SENSOR
22
Image Sensor
e image sensor converts light energy passing through the camera lens into a digital
signal. Sensor capacity is measured in megapixels. e most common sensors are CCDs.
However, many cameras, such as Canon and Nikon SLRs, are now employing CMOS
sensors, which share many of the same attributes of CCD types but use less energy. For
more details about image sensors, see Pros and Cons of a DSLR earlier in this chapter.
TIP ▼
e size of the image sensor is not tied to the number of megapixels your camera
records. You can have 12 megapixels of resolution on a compact camera with a small
sensor, or 12 megapixels on a larger sensor in a full-frame DSLR. Generally speaking,
however, the bigger the image sensor in physical size, the better your camera will
perform in low light.
Image Stabilizer
Image stabilization is one of the most important new features added to digital cam-
eras in recent years (along with face detection). is technology helps to offset “soft”
pictures resulting from camera shake. When the image stabilizer is on, your pictures
are often crisper and show more detail. ere are three basic methods for stabilization:
optical, sensor, and digital.
Optical image stabilizer (OIS) Used in both compact cameras and DSLRs, this is
the most common type of image stabilization. Depending on the camera manufac-
turer, you’ll
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.