March 27, 2007 
In
This eNewsletter:
How-To - The Case for Center Weighted Metering
Industry Perspective - Innovative Digital Products
What's New This Month - New Releases From PMA
In Memory - The Passing of a Legend
Vote! - Describe how you might use GPS in your digital camera
Workshops & Contests - Learn and Show
Shutterbug Forums - Your
Photo & Digital Imaging Source
The
Case for Center Weighted Metering
by George Schaub
While
today’s multi-pattern metering system found in most DSLRs are marvels
of technology, you’ll notice that almost every DSLR also has other
metering pattern options. The two main options, with variants available
on some cameras, are center-weighted averaging and spot metering. Multi-pattern
meters work with “zones” of light sampled from the viewfinder
framing, with the brightness patterns compared to a look-up-table of exposure
“solutions” to the “problem” the relationship
of brightness values states. It’s quite sophisticated and works
with microprocessors and sophisticated metering predictors, and works
amazingly well much of the time. However, there are times when the other
two patterns come into play, and while they hark back to metering systems
used in the past (in pre-microprocessor days) they are still are effective
for a number of lighting situations. In this quick tip I’ll focus
on center-weighted averaging.
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World-renowned
photographer, teacher, and long-time Shutterbug contributor Monte
Zucker passed way at his home in Fort Lauderdale Thursday evening,
March 15, 2007. He was 77. A special memorial, "Celebration of
the Life of Monte Zucker" is scheduled for Sunday April 22nd
in the Washington DC area. For details and updates, please go to 
