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Search: Posts made by: Nicholas O. Lindan
Forum: In The Darkroom January 8th 12, 07:54 PM Posted to rec.photo.darkroom
Replies: 2
Views: 1,760
Posted By Nicholas O. Lindan
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, 03:52 AM Posted to rec.photo.darkroom
Replies: 4
Views: 1,799
Posted By Nicholas O. Lindan
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, 09:55 PM Posted to rec.photo.equipment.large-format
Replies: 42
Views: 22,366
Posted By Nicholas O. Lindan
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, 01:43 AM Posted to rec.photo.equipment.large-format
Replies: 42
Views: 22,366
Posted By Nicholas O. Lindan
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, 11:13 PM Posted to rec.photo.darkroom
Replies: 8
Views: 2,753
Posted By Nicholas O. Lindan
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, 07:03 AM Posted to rec.photo.darkroom
Replies: 15
Views: 4,097
Posted By Nicholas O. Lindan
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, 05:36 PM Posted to rec.photo.darkroom
Replies: 15
Views: 4,097
Posted By Nicholas O. Lindan
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, 01:29 AM Posted to rec.photo.equipment.large-format
Replies: 10
Views: 2,207
Posted By Nicholas O. Lindan
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, 06:51 PM Posted to rec.photo.darkroom
Replies: 11
Views: 2,452
Posted By Nicholas O. Lindan
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: 3,907
Posted By Nicholas O. Lindan
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: 3,907
Posted By Nicholas O. Lindan
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: 3,430
Posted By Nicholas O. Lindan
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: 3,430
Posted By Nicholas O. Lindan
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: 3,430
Posted By Nicholas O. Lindan
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: 3,430
Posted By Nicholas O. Lindan
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, 05:03 PM Posted to rec.photo.darkroom
Replies: 2
Views: 1,421
Posted By Nicholas O. Lindan
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, 05:58 PM Posted to rec.photo.darkroom
Replies: 6
Views: 2,287
Posted By Nicholas O. Lindan
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, 01:21 AM Posted to rec.photo.darkroom
Replies: 6
Views: 2,287
Posted By Nicholas O. Lindan
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, 07:31 PM Posted to rec.photo.darkroom
Replies: 12
Views: 2,117
Posted By Nicholas O. Lindan
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, 08:12 PM Posted to rec.photo.equipment.35mm,rec.photo.darkroom
Replies: 11
Views: 729
Posted By Nicholas O. Lindan
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: 1,215
Posted By Nicholas O. Lindan
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: 1,516
Posted By Nicholas O. Lindan
Mysterious Black Silt, or Residue in Fixer Tray is also Staining Prints

"tipscommissar" wrote

cloudy black silt in the fixer that leaves sooty stains on the prints.

I have had that happen in a Nalgene bottle that held working fix. After
a...
Forum: In The Darkroom September 5th 09, 10:27 PM Posted to rec.photo.darkroom
Replies: 13
Views: 2,637
Posted By Nicholas O. Lindan
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: 2,637
Posted By Nicholas O. Lindan
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: 831
Posted By Nicholas O. Lindan
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,...
Showing results 1 to 25 of 125

 
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