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**Thomas T. Veldhouse**

In rec.photo.digital John McWilliams wrote:
wrote:
How does the picture quality for this camera differ from other DSLR
with smaller size sensor?
I notice that Canon boasts this as the only full frame sensor (size of
sensor - 36 mmx 24mm) in their camera line.
Canon 1D has smaller size sensor (29x19mm). Other Canon DSLR (XT, XTi,
20D, 30D), as well as other DSLR cameras such as Nikon, Pentax and
Sony all has smaller size sensor (typically 22x15mm). High end point
and shoot cameras (such as Canon G7, Nikon P5000,etc) have much
smaller size sensor (7x5mm)
Is larger sensor a definite plus to produce much better quality
pictures, considering the picture qualities of these cameras are
generally close together?

Yes.

But how much "better", what defines that, and is it worth the price
increase over a smaller sensor are questions only you can answer.

It's not the only Canon with a full sensor; there's one in the 1D series.

Consider the difference between a point and shoot and an APS-C sensor size.
Now consider the difference between APS-C and 35mm. You gain a LOT going from
point and shoot to APS-C and not nearly as much going from APS-C to 35mm
[although still substantial].

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Thomas T. Veldhouse
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