Forum: In The Darkroom
January 8th 12, 06:54 PM Posted to rec.photo.darkroom
|
Replies: 2
Views: 2,221
Using an Enlarger to Digitalize Negatives
"Seagull_k1" wrote
Have you seen, encountered, or heard of a way
to use an enlarger to transfer negatives and
slides to digital?
Physics problem:
Q: "How would you use...
|
Forum: In The Darkroom
February 26th 11, 02:52 AM Posted to rec.photo.darkroom
|
Replies: 4
Views: 2,188
densitometro
"Francis A. Miniter" wrote
At this point, you need to prepare a chart ...
.... such as the paper speed charts available...
|
Forum: Large Format Photography Equipment
February 21st 11, 08:55 PM Posted to rec.photo.equipment.large-format
|
Replies: 42
Views: 28,031
Lens Cell Cleaning
"Richard Knoppow" wrote
I have a prototype Angulon, its awful.
The two good samples I have had were both 'Linhoff' branded on the shutter
and were late production.
--...
|
Forum: Large Format Photography Equipment
February 19th 11, 12:43 AM Posted to rec.photo.equipment.large-format
|
Replies: 42
Views: 28,031
Lens Cell Cleaning
"Thor Lancelot Simon" wrote
The Schneider web site says they made the large-format Xenars until
the mid 1990s (this is a surprise to me). I wonder if the later ones
were any...
|
Forum: In The Darkroom
January 7th 11, 10:13 PM Posted to rec.photo.darkroom
|
Replies: 8
Views: 3,184
What darkroom newsgroups survive?
"Howard Lester" wrote
But will the manufacturers continue to wish to make it?
Well, from the perspective of a manufacturer who continues
to make photographic gear...
|
Forum: In The Darkroom
January 4th 11, 06:03 AM Posted to rec.photo.darkroom
|
Replies: 15
Views: 4,660
Apertu geometric vs. real
"Howard Lester" wrote
"Nicholas O. Lindan" wrote
loss of light due to hole in primary mirror
The hole in the rear (i.e., primary) mirror is irrelevant because...
|
Forum: In The Darkroom
January 3rd 11, 04:36 PM Posted to rec.photo.darkroom
|
Replies: 15
Views: 4,660
Apertu geometric vs. real
"Anton Shepelev" wrote
I recently got a tele-
scopic lens with two mirrors in it, and the
declared apperture of f/8 seems to be about
one step too...
|
Forum: Large Format Photography Equipment
November 1st 10, 12:29 AM Posted to rec.photo.equipment.large-format
|
Replies: 10
Views: 2,720
Lenses that satisfy
"Howard Lester"
I remember that. It was somehow associated with Beseler, wasn't it?
Beseler Topcon?
The US Navy used Beseler Topcons. The story is the Navy...
|
Forum: In The Darkroom
October 31st 10, 05:51 PM Posted to rec.photo.darkroom
|
Replies: 11
Views: 2,970
T-MAX 400 For Studio Portraits?
"Darkroom User" wrote
Is Kodak 400 2-TMY (120) a good choice for portraits?
Yes. TMX 100 is better if you have the light or can tolerate
a lower shutter...
|
Forum: In The Darkroom
August 18th 10, 11:49 PM Posted to rec.photo.darkroom
|
Replies: 23
Views: 4,873
Pyro Developers Question.
"IanG" wrote:
Nicholas Lindan wrote:
What does "more tonality" mean?
Nothing.
"Tonality" as applied to photography and as
near as I can tell means the...
|
Forum: In The Darkroom
August 9th 10, 05:32 AM Posted to rec.photo.darkroom
|
Replies: 23
Views: 4,873
Pyro Developers Question.
"Jean-David Beyer" wrote
What does "more tonality" mean?
Nothing.
"Tonality" as applied to photography and as
near as I can tell means the writer, using
developer X and...
|
Forum: In The Darkroom
August 4th 10, 04:20 PM Posted to rec.photo.darkroom
|
Replies: 23
Views: 4,327
Tmax & D-76
"Richard Knoppow" wrote
The MSDS you have for Perceptol is an old one and in error. I wrote them
about the sodium bromide, its suppsed to be sodium chloride.
Ah, now...
|
Forum: In The Darkroom
August 4th 10, 03:05 AM Posted to rec.photo.darkroom
|
Replies: 23
Views: 4,327
Tmax & D-76
"Peter Irwin" wrote
This matches my experience with TMX in Microdol-X. Grain
is amazingly fine, actual resolution is very good, but it just
didn't look /sharp/.
I used...
|
Forum: In The Darkroom
August 4th 10, 02:44 AM Posted to rec.photo.darkroom
|
Replies: 23
Views: 4,327
Tmax & D-76
"Richard Knoppow" wrote
The line about T-Max being as fine grained in Microdol-X as Technical Pan
in Technidol is from me.
HA! If I could get Google to search...
|
Forum: In The Darkroom
August 1st 10, 06:14 AM Posted to rec.photo.darkroom
|
Replies: 23
Views: 4,327
Tmax & D-76
David Nebenzahl Wrote:
Well, the results of my first use of Tmax 100 are in here at Nebenzahl
Laboratories, GmbH, and I can tell you that I'm very happy with them.
I developed it in D-76, 1:1...
|
Forum: In The Darkroom
March 9th 10, 04:03 PM Posted to rec.photo.darkroom
|
Replies: 2
Views: 1,750
Color & B&W Densitometers
"Claudio Bonavolta" wrote
But you won't be fired ... on Pure-Silver
Flamed and fried, but never fired.
Pure-Silver is much more civilized than APUG.
The most civilized is...
|
Forum: In The Darkroom
March 6th 10, 04:58 PM Posted to rec.photo.darkroom
|
Replies: 6
Views: 2,673
Color & B&W Densitometers
"Jean-David Beyer" wrote
But if you agree with Ansel Adams, and try to get a net density from Zone
I of your negatives to be 0.1
There is nothing sacred about that 0.1...
|
Forum: In The Darkroom
March 6th 10, 12:21 AM Posted to rec.photo.darkroom
|
Replies: 6
Views: 2,673
Color & B&W Densitometers
Some enlarging meters are also very good B&W densitometers:
http://www.darkroomautomation.com/em.htm
If you are enlarging the negatives then the proper place to
read the density is at the...
|
Forum: In The Darkroom
January 16th 10, 06:31 PM Posted to rec.photo.darkroom
|
Replies: 12
Views: 2,578
The Curse of the Curl
You might try higher humidity. It can take several days for
the film to flatten out.
The other approach is to weigh it down flat. Put the film
strips between the pages of a book and stack more...
|
Forum: 35mm Photo Equipment
October 30th 09, 07:12 PM Posted to rec.photo.equipment.35mm,rec.photo.darkroom
|
Replies: 11
Views: 897
Bluefire Police film?
"Thor Lancelot Simon" wrote
I wonder whether, at this late date, it would be possible to persuade
Kodak to divulge the formula for Technidol.
That would be lovely.
Whatever it...
|
Forum: In The Darkroom
October 1st 09, 02:33 PM Posted to rec.photo.darkroom
|
Replies: 1
Views: 1,511
Ferricyanide and RC Paper
Reduce first, tone second.
After prints have been toned they are very resistant to bleaching.
--
Nicholas O. Lindan
Cleveland Engineering Design, LLC
Cleveland, Ohio 44121
|
Forum: In The Darkroom
September 22nd 09, 12:26 AM Posted to rec.photo.darkroom
|
Replies: 1
Views: 1,814
|
Forum: In The Darkroom
September 5th 09, 10:27 PM Posted to rec.photo.darkroom
|
Replies: 13
Views: 3,201
Geezer installing a darkroom ...
"Thor Lancelot Simon" wrote
I would not try to run a darkroom with positive-pressure ventilation.
It sounds good in theory, but a wet darkroom makes a lot of dirty
air which...
|
Forum: In The Darkroom
September 2nd 09, 10:49 PM Posted to rec.photo.darkroom
|
Replies: 13
Views: 3,201
Geezer installing a darkroom ...
"Jean-David Beyer" wrote
A standard air conditioner will provide you with ventilation. Most have a
lever that controls a small door to the outside.
It depends on the...
|
Forum: 35mm Photo Equipment
August 27th 09, 03:28 PM Posted to rec.photo.equipment.35mm
|
Replies: 0
Views: 1,097
Contax Aria Faulty Aperture Readout Problem
It won't fix the problem, but, the problem could be the camera or the lens.
Is the behaviour the same with all lenses?
--
Nicholas O. Lindan, Cleveland, Ohio
Darkroom Automation: F-Stop Timers,...
|