How many of the digital cameras stack their photo sensors on top of each other to capture three or four colours at once the way film does?
One: Foveon has developed a whole new chip technology they claim is
superior to any CCD or CMOS chip. They've been introducing innovative
and interesting systems for several years now. The latest is a three
level chip that functions just as you've indicated. Problem in the past
was that, they had created their own branch on the evolutionary tree,
and attempted to redefine how photographers work, rather than developing
a tool that can be integrated into an existing workflow. Their new
camera is more traditional, but I haven't heard much about their
technology lately. Check their website.
How many digital cameras have effective 22 megapixel resolution at full colour?
Sinar has a back available that is 22MP, if you can afford it.
I look forward to the day when I can buy a 25 megapixel camera for $500.
Please keep me posted. If you find one, I'll be the second in line. The
current crop of CMOS sensors out there - the Canon in particular, are
beginning to approach the quality of capture of a CCD sensor, but
Megapixels are not the real issue. The real issue, for me at least, is
what can I do with the technology?
Film is great, but in this digital world, it requires scanning to get to
the printed page or on the monitor. After seven years of experience
using digital technology I've found that it offers, at the very least,
everything that film does with the exception of a grain structure. My
raw captures, whether they're from the eyelike digital back or the Canon
system are truely digital negatives that can be completely manipulated
after the fact. Can you change your films color response after the fact?
Or the exposure? Only digitally - after scanning, and then you pay the
price.
Original digital captures can be re-resed and enlarged much further than
scanned film. There is no grain structure to deal with. Exposure and
white balance can be compensated for, resolution can be changed.
And, best of all, here is virtually zero impact on the environment. You
surely can't say that about film.
--
Jeff Smith
Smith/Walker Design and Photography
P. O. Box 58630
Seattle, WA 98138
ph: 206-575-3233
fx: 206-575-3960
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