Digital BW, The Print

True Truman, BUT if all chips get exactly the same treatment, the Foveon
STILL wins. It simply has more detail than a 6 megapixel chip, which I
have seen with mine own eyebulbs. Again, THAT was the whole point of the
Foveon chip, to get more information on the same size chip than a
regular ccd chip. It did. 




Truman Prevatt wrote:
> 
> No it is a 3 meg sensor - period. The others also have 1/3 of the
> resolution that they claim. 

Foveon CLAIMS 9 megapixels.

Canon CLAIMS 6 megapixels.

If both chips are treated identically, the Foveon still has the better image.


Jerry


There are a lot of ways to measure
> resolution on the bench and in any of those the Foveon is 3 megs. Step a
> red laser across it you will get 3 megapixels. Step a blue laser across
> it you will get 3 megapixels. Step a green laser across it  you will get
> 3 megapixels. You cannot invent additional sensors than are not there.
> Of course if you step a red then blue then green laser across a
> conventional sensor you will get 1/3 the number of sensors advertised.
> The whole digital camera market is a shell game of inflating numbers.
> When you can put any of them on an airplain at 100,000 feet and read a
> license plate on a car - I will be interested. Until then I'll stick to
> film.
> 
> Truman
> 
> Jerry Olson wrote:
> 
> >Yo Austin.
> >
> >
> >
> >>>Remember it
> >>>was a comparison between a 9 megapixel chip (foveon)
> >>>
> >>>
> >
> >
> >
> >>No.  The Foveon (at least the one we are discussing) is a THREE M pixel, not
> >>9.  You are confused about what a pixel is and isn't.
> >>
> >>
> >
> >You are confused. TECHNICALLY it is a 3 MP chip. It has the exact same
> >quality that anybody elses 9 meapixel chip has. That is the whole point
> >behind the foveon chip.
> >
> >
> >
> >>You don't lose detail, you just don't get any more by upsizing.  If you take
> >>two images.  One from a 3M pixel camera, upsize it to say 9 M pixels.  Then
> >>compare it to a 9M pixel image, the 9M pixel image will have a lot more
> >>detail.
> >>
> >>
> >THE FOVEON HAS THE SAME QUALITY AS ANYBODY ELSE'S 9 MEGAPIXEL CHIP. THAT
> >IS THE WHOLE
> >POINT BEHIND THE FOVEON PHILOSOPHY. IT IS DIFFERENT TECHNOLOGY.
> >
> >
> >
> >>>Nobody could tell that if they were upsized or not. I'm only speaking of
> >>>12x18 inch prints on 13x19 inch paper here. Not billboards.
> >>>
> >>>
> >>Er, I probably could.  I do it all the time.  The issue is, if you don't
> >>know what detail isn't there, you don't know that it's missing.  Sharpness
> >>does not require detail, they are two entirely different things.
> >>
> >>
> >
> >I doubt you probably could.
> >
> >BUT I'VE MADE COMPARISONS WITH FILM. FILM IS NOT BETTER IN ANY WAY
> >WHATSOEVER FOR AN 18 INCH PRINT !!!!!
> >
> >ENOUGH !
> >
> >WE'VE BEEN THROUGH THIS TOO MANY TIMES ALREADY.
> >
> >JERRY
> >
> >
> >
> >Please visit the Group Homepage to check the Files, Bookmarks, Polls and other resources as they are often being updated. The page is at:
> >
> >http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
> >
> >If you wish to receive no emails or just a daily digest, or you wish to unsubscribe, please edit your Membership preferences by visiting this same page.
> >
> >Please follow these basic guidelines:
> >- Include your full name with your message.
> >- Include the address of your website, if you have one.
> >- As threads develop, trim off excess portions of earlier messages to keep them short.
> >- As the topic of a thread changes remember to change the subject header.
> >- Good manners are required at all time. No personal attacks or "flames."
> >- Complete your Yahoo profile.
> >- Before posting a question, search the message archives and the various resources on the homepage.
> >
> >
> >
> >
> >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
> >
> 
> [Non-text portions of this message have been removed]
> 
> Please visit the Group Homepage to check the Files, Bookmarks, Polls and other resources as they are often being updated. The page is at:
> 
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
> 
> If you wish to receive no emails or just a daily digest, or you wish to unsubscribe, please edit your Membership preferences by visiting this same page.
> 
> Please follow these basic guidelines:
> - Include your full name with your message.
> - Include the address of your website, if you have one.
> - As threads develop, trim off excess portions of earlier messages to keep them short.
> - As the topic of a thread changes remember to change the subject header.
> - Good manners are required at all time. No personal attacks or "flames."
> - Complete your Yahoo profile.
> - Before posting a question, search the message archives and the various resources on the homepage.
> 
> 
> 
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/