So, are you planning on using a digital camera for your glamour photography?
Ouch! I can't see how you'd be happy with the results compared to what wet
processing in a commercial lab can do for you. Resolution is lousy and you
can't get the look and feel from it that wet film and paper will
At 11:05 PM 6/20/01 -0400, someone wrote:
Has anyone actually seen the illumination system used in a Nikon
scanner? How large are the LED elements? Are all four colors
integrated into one LED element (R,G,B, IR), or are they individual?
Are they diffused via some material or light
At 11:18 PM 6/20/01 -0400, Isaac Crawford wrote:
Well halogen bulbs have the same uneveness problems as regular bulbs,
but with the use of a mixing chamber, they can give the same results a
cold head can... I can see some potential advantages in an enlarger
with LEDs in this arangement, primarly
Thanks to all who offered their thoughts re permanance of digital vs
chemical prints. I suppose we'll know for sure in about 200 years. :)
John J.
Check out
http://www.kodak.com/global/en/professional/products/cameras/camerasIndex.jh
tml
Then look at the article about Michael Grecco using the DCS Pro Back on a
glamour shoot.
You may want to check out the recent updates in the world of digital
photography before you make such a sweeping
I just released VueScan 7.1.2 for Windows, Mac OS 8/9/X and Linux.
It can be downloaded from:
http://www.hamrick.com/vsm.html
What's new in version 7.1.2
* Improved color and tone when scanning negatives
I'm pretty sure this fixes a lot of the problems people have
been seeing with
On Thu, 21 Jun 2001 00:59:33 -0400 Austin Franklin
([EMAIL PROTECTED]) wrote:
I would never have imagined that
someone would devote so much time and thought to LEDs.
I know I can't :-)
Regards
Tony Sleep
http://www.halftone.co.uk - Online portfolio exhibit; + film scanner
info
On Wed, 20 Jun 2001 07:55:14 -0700 Shough, Dean ([EMAIL PROTECTED])
wrote:
I'm not sure exactly what you mean about the Nyquist limit making the
MTF
incalculable or why you emphasize systems.
To counter the discussion hereabouts which is regarding the Nyquist limit
of the CCD as actual
On Wed, 20 Jun 2001 13:18:04 -0400 Austin Franklin
([EMAIL PROTECTED]) wrote:
But that's the point...you CAN'T space them to give even illumination.
Just
a single LED is unevenly illuminated in and of it self! It's typically
a
mounded plastic piece, which is really not very
I use a lot of this film pushed to +3 stops..according to Kodak the resulting
ASA numbers are 200 (normal), 320, 640, 1000. Even at 1000 it still has very low
grain (a bit less than a 400ASA print film), of course you have to be careful
since it will not tolerate improper exposures at ASA1000.
On Wed, 20 Jun 2001 21:59:33 -0400 Austin Franklin
([EMAIL PROTECTED]) wrote:
It's entirely different. Incandescent lamps used for such are diffuse
and
are not near as focused as LEDs. Using commercially available standard
parts, you need individual LEDs because you need three colors.
At 03:49 21/06/01 -0400, you wrote:
i Roger -thanks for taking the time to reply-you've given me something to
think about . basically my reason for buying a digital camera was to use it
as well as my other cameras depending on what the intended market was ( yes
I know I said I was changing
The *problem* I see with cold-cathode and fluorescents is that
they can flicker. I'm not exactly sure why this happens.
Typically it is caused by the observer being on some psycho conducive
substance ;-)
The Leaf uses a tri-band phosphor fluorescent lamp, which I would guess
doesn't have
NB: The G550 has just been released.
One of the main considerations is the resolution you want to
have in the secondary display - the G550 will allows a
higher res on the second due to two RAMDACS (my G400 is
limited to 1280x1024).
The G450 is just a tidied up G400, the specs are a bit
better
On Wed, 20 Jun 2001 04:58:54 -0400 rafeb ([EMAIL PROTECTED]) wrote:
Yeah, I've got it. What do you suppose I've been
raving about for these last couple of weeks ?? :-)
It hasn't gone unnoticed - you seem to be the only person in the world
who actually has one :) Just how long does this
Austin Franklin wrote:
http://ledmuseum.home.att.net/1990.htm
BTW, thanks for that link! I did find it most interesting, and certainly a
great source for information on LEDs. I would never have imagined that
someone would devote so much time and thought to LEDs.
As a side note, when
Apparently they got the graffiti wrong back in the 60's - it wasn't Clapton who was
god after all :-)
It's been said before, but at the risk of embarassing Ed, it bears repeating: this
level of customer support is simply awe-inspiring.
I think the colours I'm geting off my negs aren't as good
I can easily imagine packages and monolithich LED arrays
that allow for very, very close stacking of LEDs, so that
you could have, say, 20 or 50 or even 100 LEDs per inch.
For years Olympus has been making laser printers that claim to use LED's
instead of a laser/mirror assembly. I always
At 08:00 AM 6/21/2001 -0400, rafe b wrote:
At 11:18 PM 6/20/01 -0400, Isaac Crawford wrote:
Well halogen bulbs have the same uneveness problems as regular bulbs,
but with the use of a mixing chamber, they can give the same results a
cold head can... I can see some potential advantages in an
At 12:26 AM 6/21/01 -0400, Austin wrote:
Even if this was such a good idea, it would have been done 5 years ago, and,
as far as I can tell, it wasn't. It isn't a difficult engineering project
to develop, it's just that, I believe, it really doesn't work all that well.
Digital imaging has really
Sounds to me like one of the CCD sensors is busted. Take a look at the image at full
size in whatever processing software you're using, and look to see if the line is
exactly one pixel wide. It's probably time for a trip to the shop.
Paul Chefurka
-Original Message-
From: [EMAIL
Um, I would worry about maintaining six inches open space behind scanner
and, observing that there appear to be a perf pattern of holes on lower
right toward rear-my mechanical RD experience says keep two inches
away from the holes in case they are for ventilation...
Sam A. McCandless wrote:
I've given you my engineering evaluation of it, and you haven't shown
(certainly not to my satisfaction anyway) that my concerns aren't valid.
You seem to really want this to work! I don't believe we're getting
anywhere here, though I did learn about the origin of blue LEDs, and this
is
Robert,
Thanks for your input. can you give me any more details?
see below:
- Original Message -
From: Robert Logan [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, June 21, 2001 5:34 AM
Subject: Re: filmscanners: Matrox G400 vs G450
NB: The G550 has just been released.
This is for those interested in BW: I played a while with the two large
jpgs from the test page below, the raw SS4000 and the ice-cubed ED4000. I
did what I usually do when converting color images to BW, i.e. I went
through the channel mixer: here I simply selected the green channel with the
On Thu, 21 Jun 2001, Tony Sleep wrote:
On Wed, 20 Jun 2001 04:58:54 -0400 rafeb ([EMAIL PROTECTED]) wrote:
Yeah, I've got it. What do you suppose I've been
raving about for these last couple of weeks ?? :-)
It hasn't gone unnoticed - you seem to be the only person in the world
Hi,
Could you please share with me your experiences with LS40 and new Canon 4000dpi
(is it already available ?)
Regards
Tomasz
__
Do You Yahoo!?
Get personalized email addresses from Yahoo! Mail
http://personal.mail.yahoo.com/
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Austin Franklin
Sent: Wednesday, June 20, 2001 11:09 PM
To: [EMAIL PROTECTED]
Subject: RE: filmscanners: LED Illumination for Film Scanners
Sure you could have done that 15-20 years ago.
Use
I just use 7.1.1 for the first time today and I'm very impressed with
the recent improvements to the cleaning and sharpening using
Fujichrome 100 on my LS-30. So then, hoping against hope, I scanned
one of my problem Kodachromes, but no luck. I isolated the problem
to the cleaning function.
I've given you my engineering evaluation of it, and you haven't shown
(certainly not to my satisfaction anyway) that my concerns aren't valid.
You seem to really want this to work! I don't believe we're getting
anywhere here, though I did learn about the origin of blue
LEDs, and this
It's been said before, but at the risk of embarassing Ed, it bears
repeating: this level of customer support is simply awe-inspiring.
...
I think the colours I'm geting off my negs aren't as good as they could
be.
Momentary silence
OK, here's a fix that should help.
Are you watching
But that's the point...you CAN'T space them to give even illumination.
Just
a single LED is unevenly illuminated in and of it self! It's typically
a
mounded plastic piece, which is really not very consistent.
Nikon are unlikely to be using mass-produced general-purpose .5c LED's on
on 6/21/01 5:03 PM, Austin Franklin at [EMAIL PROTECTED] wrote:
No, not for a scanner, for an enlarger! I don't know whether they are a
good or bad idea for a scanner, but I do know that for BW, I would rather
be using a ND filter, or something with that wavelength.
???
an ND filter
LEDs have been around for a very long time, and they are reasonably
inexpensive, as well as very easy to control. I am sure that if this was
such a great idea, and the implementation worked near as well as you
believe, it would have been done some 15-20 years ago as a commercial
venture,
Even if this was such a good idea, it would have been done 5
years ago, and,
as far as I can tell, it wasn't. It isn't a difficult
engineering project
to develop, it's just that, I believe, it really doesn't work
all that well.
Digital imaging has really only come of age in the past
On Thu, 21 Jun 2001, Stan McQueen wrote:
Fluorescents flicker at the AC line frequency--60 Hz in the US. This is
because, as you say, the fluorescent light is a plasma device. The
discharge turns on and off at the line frequency. It is not a continuous
discharge (either in time or in
No, not for a scanner, for an enlarger! I don't know whether they are a
good or bad idea for a scanner, but I do know that for BW, I
would rather
be using a ND filter, or something with that wavelength.
???
an ND filter doesn't filter by wavelength, it simply reduces intensity.
Of
I bet it's dust on the sensor.. you could try blowing
it out w/ compressed air.
Bill Ross
Sure you could have done that 15-20 years ago.
Use filters...red, green and blue filters
certainly were around 15-20 years ago.
HUH??? Please explain to me how to filter monochromatic red light from an
LED to get blue light. If you can figure out how do that you'll
be up for a
Nobel
= NB: The G550 has just been released.
Whats the max resolution on main and second monitors?
2048x1536 and 1600x1200 for the G550
at v high refresh rates (100+)
The G450 is the same, the G400 is lower.
bert
If I'm not mistaken, all A.C powered fluorescent bulbs flicker at
60/50 cycle (in those places that use 60 or 50 cycle AC, that is). In
fact so do incandescent bulbs, for that matter, but in both cases,
aspects of the design reduce the visibility of this. I think television
screens also do
Tony Sleep wrote:
On Wed, 20 Jun 2001 21:59:33 -0400 Austin Franklin
([EMAIL PROTECTED]) wrote:
It's entirely different. Incandescent lamps used for such are diffuse
and
are not near as focused as LEDs. Using commercially available standard
parts, you need individual LEDs
[EMAIL PROTECTED] wrote:
At 03:49 21/06/01 -0400, you wrote:
i Roger -thanks for taking the time to reply-you've given me something
to think about . basically my reason for buying a digital camera was to
use it as well as my other cameras depending on what the intended market
was
Herm wrote:
I use a lot of this film pushed to +3 stops..according to Kodak the resulting
ASA numbers are 200 (normal), 320, 640, 1000. Even at 1000 it still has very low
grain (a bit less than a 400ASA print film), of course you have to be careful
since it will not tolerate improper
Austin,
That message was somehow delayed in the system for many hours...
What company made those filters? - I'd like to look up the details (I have
an extensive electronics data library going back about thirty years that
includes a very large amount of optoelectronics).
Cliff Ober
Yeah, me too, that's why I have that info. The one I have in front of me is
VCC, and it's called the ClipLite and the CubeLite. Red, amber, green,
blue, yellow and clear. For 3mm and 5mm LEDs.
What company made those filters? - I'd like to look up the details (I have
an extensive
Regarding the Leaf scanners. I knew they were off my want list when I
saw the bulb for one being sold on ebay, as a separate auction item ;-)
At least you CAN get them with no problem. Check how much the LED array is
for the Nikon, and you may reconsider!
on 6/21/01 7:37 PM, Arthur Entlich at [EMAIL PROTECTED] wrote:
I use a lot of this film pushed to +3 stops..according to Kodak the resulting
ASA numbers are 200 (normal), 320, 640, 1000. Even at 1000 it still has very
low
grain (a bit less than a 400ASA print film), of course you have to be
At 05:39 PM 6/21/2001 -0400, you wrote:
On Thu, 21 Jun 2001, Stan McQueen wrote:
Fluorescents flicker at the AC line frequency--60 Hz in the US. This is
because, as you say, the fluorescent light is a plasma device. The
discharge turns on and off at the line frequency. It is not a
At 05:39 PM 6/21/2001 -0400, rafe b wrote:
On Thu, 21 Jun 2001, Stan McQueen wrote:
Fluorescents flicker at the AC line frequency--60 Hz in the US. This is
because, as you say, the fluorescent light is a plasma device. The
discharge turns on and off at the line frequency. It is not a
At 03:36 PM 6/21/2001 -0700, you wrote:
If I'm not mistaken, all A.C powered fluorescent bulbs flicker at 60/50
cycle (in those places that use 60 or 50 cycle AC, that is). In fact so
do incandescent bulbs, for that matter, but in both cases, aspects of the
design reduce the visibility of
on 6/21/01 8:00 AM, rafeb at [EMAIL PROTECTED] wrote:
At 11:18 PM 6/20/01 -0400, Isaac Crawford wrote:
Well halogen bulbs have the same uneveness problems as regular bulbs,
but with the use of a mixing chamber, they can give the same results a
cold head can... I can see some potential
Hi,
Earlier, I had posted a help message regarding a line that I was
getting on my scans from the 4000. If I scan a horizontal slide, there
is a light colored line about one third of the way down from the top, it
goes all the way from left to right. I called Polaroid and since the
scanner is
Regarding the Leaf scanners. I knew they were off my want list when I
saw the bulb for one being sold on ebay, as a separate auction item ;-)
At least you CAN get them with no problem. Check how much the LED array
is
for the Nikon, and you may reconsider!
You've made your aversion to
Before you give up on your scanner, or have to to cut and paste on the
bad line every time, you might want to try to place your scanner on a
different plane (try New York to LA ;-)) NO, seriously, try placing the
scanner on its side and give it some gentle taps on all sides to
dislodge any
Stan McQueen wrote:
I thought the same, but I recently read a column in one of the photo
mags (forget which one) in which it was stated that Kodak does consider
a one-stop push of Ektachrome 200 to be ASA 320. The author said that if
you shoot at 400, you should tell the lab that
Johnny Deadman wrote:
on 6/21/01 7:37 PM, Arthur Entlich at [EMAIL PROTECTED] wrote:
I use a lot of this film pushed to +3 stops..according to Kodak the resulting
ASA numbers are 200 (normal), 320, 640, 1000. Even at 1000 it still has very
low
grain (a bit less than a 400ASA print
PLEASE will subscribers to the list and digest take care to empty their
POP3 mailboxes often enough to ensure consistent delivery of mails from
this list. And in fact anywhere else.
Please bear in mind that if your mailbox becomes full, EVERY message sent
is bounced back to the sender. That
Regarding the Leaf scanners. I knew they were off my want list when I
saw the bulb for one being sold on ebay, as a separate
auction item ;-)
At least you CAN get them with no problem. Check how much the LED array
is
for the Nikon, and you may reconsider!
You've made your
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