Have You Gone Digital Yet?

An interesting comment, quoted from a web site:
"The question "have you gone digital yet?" is a presumptuous fallacy is
pushed by camera stores and camera makers, since they make big bucks when
you buy a digital camera that you'll want to replace in a few years.
"Going digital" is by no means inevitable or even desirable.
Digital does not replace your film camera for many kinds of fine art. Even
today your dad's 20 year old Canon AE-1 can make technically better images
than any digital camera. The Canon AE-1 is about the same as a 20 megapixel
camera. The AE-1 Program is about the same as a 25 megapixel camera,
presuming you are using Canon brand lenses."

Jeremy

Re: Have You Gone Digital Yet?

I had assumed that the camera models may have come with different lenses,
because there would be no other logical explanation.


Jeremy

Re: Have You Gone Digital Yet?

On 2006-09-18 15:41:13 -0400, "jeremy" <jeremy@nospam.com> said:
Mixed.. but of course I have no idea why and AE-1 and AE-1P would have
different resolutions with the same lens... same film size, same lens,
same lens to film distance = same resolution.
--
Jim <jen....not....home..remvdots...@....yahoo


Jim

Re: Have You Gone Digital Yet?

Yes. I've seen that photo before...(It was posted several months ago) - It
is really amazing.....This is just a small piece of the original. You can
read the license plates on those parked cars. I seldom get anything that
good, because most of my outside pictures are taken hand held, and even when
one isn't, I don't document them well enough to remember which ones I took
from a tripod. I shouldn't have bought that 5400 dpi scanner....The older
2500 dpi model would have been perfectly good for my purposes, but you know
how it is.....You, (or me, anyway) always go for the best I can get, on the
off chance that I won't be happy with anything less......


William Graham

Re: Have You Gone Digital Yet?

Your computer monitor will be in the range of 70 to 90 ppi.
If you want to get an idea of how something might look printed at say
300 ppi then
you can stand back and get a pretty good idea. Let's say you normally
view a photo at a distance of 12 inches, then when viewed on the
computer can can get a good idea of what it will look like by viewing
it at 3 to 4 feet depending on your monitor.
Getting anything thing worthwhile past 2000 ppi with color film is very
hard.
But getting back to the original question of optical prints vs. scanned
negatives. To really test this a very sharp negative would be needed, I
would think a high resolution BW photo.
We have sample of what a scanner can do with a very high resolution
image and it is pretty amazing.
This is a scan 4000 ppi that Max Perl did using Gigibit film.
http://www.terrapinphoto.com/jmdavis/Tobermory_SH_crop_1000.jpg.
Scott


Scott W

Re: Have You Gone Digital Yet?

The only way I have to look at these things is on my computer monitor, which
appears to be roughly 300 dpi. From my understanding of good quality inkjet
printers, they aren't much better either, although I don't yet own one of
these. So, I don't know how one would be able to tell the difference between
a good digital image and a well scanned (4000 dpi) piece of film. Certainly,
most of my scans are at about 1250 dpi, and they look perfectly good to
me.....When I want to blow up a small object in the background on one of my
slides, I will scan at higher resolution, but it still looks pretty bad on
my computer monitor, so I really don't gain anything by scanning at 1800 or
2500 dpi. and I lose a lot of time doing it. 5400 dpi takes forever, and I
haven't yet seen anything that it helped.......


William Graham

Re: Have You Gone Digital Yet?

In trying this I can't pick out any detail that is lost in the resample
version compared
the original. The smoothing of the grain does make the image look
softer but in looking
for hair that I could see in the original and not in the resample image
I could not find any.
The scanner clearly is resolving pretty good because the scratch looks
way softer in the resample version.
I find it interesting that I believe I can make out some of the blood
vessels in the resample image better then the original, the smoothing
of the grain seems to help make them more visible.
Scott


Scott W

Re: Have You Gone Digital Yet?

In article <1159980168.045288.155530@c28g2000cwb.googlegroups.com>,
I did a 0.25x/4x resize (on the ls4000.jpg), and I'd say that some small
details in the eye got lost.
A factor of 3 still gives very small differences. A factor of two is
essentially a nop (as far as image details are concerned).
--
That was it. Done. The faulty Monk was turned out into the desert where it
could believe what it liked, including the idea that it had been hard done
by. It was allowed to keep its horse, since horses were so cheap to make.
-- Douglas Adams in Dirk Gently's Holistic Detective Agency


Philip@ue.aioy.eu (Philip Homburg)

Re: Have You Gone Digital Yet?

Missed that part, still even taking that into account the image is
pretty soft.
But now I would say that is no image detail past 1500 ppi.
Scott


Scott W

Re: Have You Gone Digital Yet?

Missed that part, still even taking that into account the image is
pretty soft.
But now I would say that is no image detail past 1500 ppi.
Scott


Scott W

Re: Have You Gone Digital Yet?

In article <1159977644.577543.216260@k70g2000cwa.googlegroups.com>,
Did you take into account that the resolution in those images corresponds
to 6000 dpi?
--
That was it. Done. The faulty Monk was turned out into the desert where it
could believe what it liked, including the idea that it had been hard done
by. It was allowed to keep its horse, since horses were so cheap to make.
-- Douglas Adams in Dirk Gently's Holistic Detective Agency


Philip@ue.aioy.eu (Philip Homburg)

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