I generally agree with a lot of the points people have made.
* dSLR have bigger sensors = wider dynamic range, bigger photosites to capture more detail, wider variety of lenses to choose, fast response, etc.
What I don't agree with (and I use BOTH a dSLR and recently a small Canon S90, see Canon corner for recent samples) is a dSLR makes "better pictures".
I see people with 26 lbs. of set up including dual strobes, 8" port etc. who can't even take a snapshot
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They believe throwing $$$$ at the situation "guarantees" them better pics. Which isn't true....
Side by side yes, the dSLR sensor, lenses etc. will have more detail in a larger file. But in today's UW imaging world people are more obsessed with specifications then the impact of an image is all I'm saying.
Most UW photographers subconsciously (I do it too) repeat the same shots they've seen in magazines, books or taken by other UW photographers. They fear any graininess, dramatic lighting or other "imperfections" that make many surface images totally unique.
This is where I had a ball using a P&S two weeks ago. Throwing caution to the wind I shot the little Canon S90 sensor purposely pushing in new directions especially above water. I will continue to expand ideas I have to UW shooting and likely when I get my next dSLR incorporate he same ideas.
Do you have to work harder with a P&S to get critter shots? Absolutely.....But it's a trade off in weight, carrying size and cost that people should weigh before making a decision to get one system or the other.
I have people shooting Canon G7 - G11 with a wide beam strobe and wide angle lens that produce great photos they hang on their wall up to 12 X 18. Many folks with smaller cameras like the Canon SX200 IS and now the lower noise at higher ISO Canon S90 have printed great images up to 11 X 14, too.
99% of my customers upgrade from P&S to dSLR for one reason. Shutter lag and capturing fast moving creatures easier.
Many (if not most) don't use their camera enough above water to reliably get decent exposures figured out and need coaching which I'm happy to provide on dive trips.
So I guess in summary I don't know what is considered "better". The only person who has to like your images is YOU!
Hope these thoughts make you think and no harm intended to anyone's opinion
Safe Diving!
David Haas
P.S. - On small sensors even with the newest low noise Canon G11 and S90 I shoot highest level JPEG and judge photo by the histogram versus LCD.
Maybe shooting some super well lit still life you could could gain a bit of dynamic range from the little sensor shooting RAW. But not at the expense of long write times even as fast as the newest P&S cameras that shoot RAW have improved.
JMHO
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