On 05/02/2012 7:06 AM, Collin Brendemuehl wrote:
http://zackarias.com/for-photographers/gear-gadgets/why-i-moved-to-medium-format-phase-one-iq140-review/
The article said almost all of it:
"I can?t properly convey how gorgeous these digital files are.
It?s not just the amount of Megapixels that matter. The size of the
imaging
sensor comes into play in the final quality of the photo.
I?d rather have a 20 megapixel medium format camera than a 30 megapixel
35mm based
DSLR because the physical sensor is much larger. The larger the sensor
the higher the quality."
To a great extent, what he is saying is a hold over predjudice from the
film era, where the larger the negative, the better the image quality
would be (painting with a broad brush I realize).
In digital, to a great extent, megapixels are all that matters as long
as one stays within the noise limitations of the sensor.
I've seen comparisons between a 12mp APS-C camera (Pentax Kx) and a 12MP
135 format camera (Nikon D700). Until the ISO was raised fairly
significantly, the Kx files were equivalent to the D700 files.
Digital is about megapixels and signal to noise. If those numbers are
equivalent, or at least below the threshold of viewability, it doesn't
matter what size of sensor is in use. My Q does a remarkably good job
against my K7, even though the Q sensor is miniscule by comparison.
--
William Robb
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