There is a straightforward explanation of diffraction limits at the link
below.  The page has an illustration of limits v. pixel sizes for
several cameras (animated as you point at each camera type).
It also has a calculator where you can simulate it all for various

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Ran across some interesting posts about faked photos.  Led me to this:
http://www.scientificamerican.com/article.cfm?id=5-ways-to-spot-a-fake
Then, ran across some opinions that RAW files cannot be faked?  Wait a
minute!  The demosaicing algorithms are public knowledge.  Algorithms ...

Discontinued lens, bought used for $400. Sharp as heck, though I did
have to tweak the CA corrections pretty heavily and it's still got a
blue fringe thing:
http://farm5.static.flickr.com/4020/4364830592_a1360d2d70_o.jpg

Three Old Men
A woman came out of her house and saw three old men with long white
beards sitting in her front yard. She did not recognize them. She said
'I don't think I know you, but you must be hungry. Please come in and

For today only:
Pentax K-7 body $899.
Pentax K-7 and 18-55mm kit $999.

Frank ess wrote:

Four years ago, Olympus claimed their middle-line pro lenses would
resolve 22 megapixels on a 4/3rds sensor.  That's 88 megapixels on a
FF sensor.  Therefore, the conclusion should be (even though Olympus
lenses in that class and the top-pro class are very good), even modest

Here's something we can all chew on for a while...
http://www.popphoto.com/features/2010/02/5-hot-trends-lenses
Let the pissing-match begin. Or not. Whatever.

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Since my D3 has been in repair for an unreasonably long time,
I just bought a D3x as backup.  Now I notice that while the
minimum ISO for my D3 is 200, my D3x can go to 100.
How do they compare with regard to image quality?  For example,

It's got to be the sensors.  They must just not be dropping in price
like sensors in more popular cameras like FF (35mm) or smaller sensor
DSLRs.  This latest (cheap) back is almost $20k and you still need a
body and a lens(s).

Canon EOS 550D, New 18-megapixel Camera with Full HD...
http://www.techespot.com/2010/02/canon-eos-550d-new-18-megapixel-dslr.html

Darrell A. Larose aka darrelllarose.ca, darrell@darrelllarose.ca...
You silly FAGGOT!  Just love to get your QUEER arse kicked over & over
again.  I'll bet a dime to a dollar that you think this is Scovile!
For those those of you who are not aware of this CONVICTED CHILD