Light source for Pyro negs

Richard Knoppow wrote:

Color heads and condenser heads are quite
suitable for Pyro negatives. Just don't expect magic. I
suspect many who rave about Pyro are getting better
negatives because they are paying more attention to
controlling all the variables.

Understood. Thanks for the detailed and interesting response. As for pyro
negs getting more attention, I see your point and agree. But maybe some of
us could use the lesson in discipline.

Cheers,
Szabo

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Ken Smith wrote:


I'm not yet experienced with Pyro development, but I'm considering to give
it a try. My questions concern the enlarger lamp for pringing pyro
negatives. I read frequently that a cold light head is best for pyro
negatives (presumably due to the yellowish stain on the neg), but I have a
standard tungsten halogen lamp in my only enlarger, an Omega D2 with Super
Chromega color head. I hope to use VC paper (Forte and Kodak).

If the spectrum really must be close to that of a cold light head, is there
a filtration offset that can be dialled into on the enlarger's color head
to closely simulate the spectrum of a cold light lamp? Or, with regard to
pringint pyro negs, is the spectral difference between cold light and
tungsten halogen too small to be concerned about?

Regards,
Szabo


Yes I think the spectral difference of the light source would be a
fairly minor consideration, unless hairsplitting the science is more
interesting that making pictures to you. The stain of a pyro neg acts
as a low contrast filter, for the highlights with VC paper. I don't
The standard tungsten light source is contrastier than a cold light,
so your move to pyro would definitly smooth out the tonal range. I
think you'll love the look. My landscapes have taken on a far
smoother, more realistic and atmospheric quality. Enjoy.

I shall. And thanks for the response. I've seen some impressive prints
made from pyro negs, but as Mr. Knoppow points out, this may be due, at
least in part, to the printer being more meticulous with the process. I'll
keep all this good advice in mind as I dabble with the new (for me)
process.


Cheers,
Szabo

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Ken Smith wrote:


I'm not yet experienced with Pyro development, but I'm considering to give
it a try. My questions concern the enlarger lamp for pringing pyro
negatives. I read frequently that a cold light head is best for pyro
negatives (presumably due to the yellowish stain on the neg), but I have a
standard tungsten halogen lamp in my only enlarger, an Omega D2 with Super
Chromega color head. I hope to use VC paper (Forte and Kodak).

If the spectrum really must be close to that of a cold light head, is there
a filtration offset that can be dialled into on the enlarger's color head
to closely simulate the spectrum of a cold light lamp? Or, with regard to
pringint pyro negs, is the spectral difference between cold light and
tungsten halogen too small to be concerned about?

Regards,
Szabo


Yes I think the spectral difference of the light source would be a
fairly minor consideration, unless hairsplitting the science is more
interesting that making pictures to you. The stain of a pyro neg acts
as a low contrast filter, for the highlights with VC paper. I don't
The standard tungsten light source is contrastier than a cold light,
so your move to pyro would definitly smooth out the tonal range. I
think you'll love the look. My landscapes have taken on a far
smoother, more realistic and atmospheric quality. Enjoy.

I shall. And thanks for the response. I've seen some impressive prints
made from pyro negs, but as Mr. Knoppow points out, this may be due, at
least in part, to the printer being more meticulous with the process. I'll
keep all this good advice in mind as I dabble with the new (for me)
process.


Cheers,
Szabo

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On Tue, 23 Nov 2004 22:29:59 GMT, Gregory W Blank wrote:
Gregory W Blank wrote:



I'm not yet experienced with Pyro development, but I'm considering to give
it a try. My questions concern the enlarger lamp for pringing pyro
negatives. I read frequently that a cold light head is best for pyro
negatives (presumably due to the yellowish stain on the neg), but I have a
standard tungsten halogen lamp in my only enlarger, an Omega D2 with Super
Chromega color head. I hope to use VC paper (Forte and Kodak).

The Chromega is perfectly fine.

Good. I'm not prepared to shell out good money for yet another contraption
(in this case, a cold light head).

If the spectrum really must be close to that of a cold light head, is there
a filtration offset that can be dialled into on the enlarger's color head
to closely simulate the spectrum of a cold light lamp? Or, with regard to
pringint pyro negs, is the spectral difference between cold light and
tungsten halogen too small to be concerned about?

You can use the standard Poly Contrast filter values. Or seamlessly adjust
by varying the Yellow and or Magenta.

7y + 21m = Grade 2 etc.

Thanks for the response.


Cheers,
Szabo

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Ken Smith wrote:


I'm not yet experienced with Pyro development, but I'm considering to give
it a try. My questions concern the enlarger lamp for pringing pyro
negatives. I read frequently that a cold light head is best for pyro
negatives (presumably due to the yellowish stain on the neg), but I have a
standard tungsten halogen lamp in my only enlarger, an Omega D2 with Super
Chromega color head. I hope to use VC paper (Forte and Kodak).

If the spectrum really must be close to that of a cold light head, is there
a filtration offset that can be dialled into on the enlarger's color head
to closely simulate the spectrum of a cold light lamp? Or, with regard to
pringint pyro negs, is the spectral difference between cold light and
tungsten halogen too small to be concerned about?

Regards,
Szabo


Yes I think the spectral difference of the light source would be a
fairly minor consideration, unless hairsplitting the science is more
interesting that making pictures to you. The stain of a pyro neg acts
as a low contrast filter, for the highlights with VC paper. I don't
The standard tungsten light source is contrastier than a cold light,
so your move to pyro would definitly smooth out the tonal range. I
think you'll love the look. My landscapes have taken on a far
smoother, more realistic and atmospheric quality. Enjoy.

I shall. And thanks for the response. I've seen some impressive prints
made from pyro negs, but as Mr. Knoppow points out, this may be due, at
least in part, to the printer being more meticulous with the process. I'll
keep all this good advice in mind as I dabble with the new (for me)
process.


Cheers,
Szabo

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----= East and West-Coast Server Farms - Total Privacy via Encryption =----

Ken Smith wrote:


I'm not yet experienced with Pyro development, but I'm considering to give
it a try. My questions concern the enlarger lamp for pringing pyro
negatives. I read frequently that a cold light head is best for pyro
negatives (presumably due to the yellowish stain on the neg), but I have a
standard tungsten halogen lamp in my only enlarger, an Omega D2 with Super
Chromega color head. I hope to use VC paper (Forte and Kodak).

If the spectrum really must be close to that of a cold light head, is there
a filtration offset that can be dialled into on the enlarger's color head
to closely simulate the spectrum of a cold light lamp? Or, with regard to
pringint pyro negs, is the spectral difference between cold light and
tungsten halogen too small to be concerned about?

Regards,
Szabo


Yes I think the spectral difference of the light source would be a
fairly minor consideration, unless hairsplitting the science is more
interesting that making pictures to you. The stain of a pyro neg acts
as a low contrast filter, for the highlights with VC paper. I don't
The standard tungsten light source is contrastier than a cold light,
so your move to pyro would definitly smooth out the tonal range. I
think you'll love the look. My landscapes have taken on a far
smoother, more realistic and atmospheric quality. Enjoy.

I shall. And thanks for the response. I've seen some impressive prints
made from pyro negs, but as Mr. Knoppow points out, this may be due, at
least in part, to the printer being more meticulous with the process. I'll
keep all this good advice in mind as I dabble with the new (for me)
process.


Cheers,
Szabo

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That positively does it, anything I might have gained from your
posts is totally non consequential. The complete disrespect
you show people on this and other newsgroups leads me
now once and for all to drop you into my killfile permanently.

I am sick and tired of your crap. And I will not hesitate to inform
every one new to the groups I post to do the same, no second thoughts
about it troll.
--
LF Website @ http://members.verizon.net/~gregoryblank

"To announce that there must be no criticism of the President,
or that we are to stand by the President, right or wrong,
is not only unpatriotic and servile, but is morally treasonable
to the American public."--Theodore Roosevelt, May 7, 1918

That positively does it, anything I might have gained from your
posts is totally non consequential. The complete disrespect
you show people on this and other newsgroups leads me
now once and for all to drop you into my killfile permanently.

I am sick and tired of your crap. And I will not hesitate to inform
every one new to the groups I post to do the same, no second thoughts
about it troll.
--
LF Website @ http://members.verizon.net/~gregoryblank

"To announce that there must be no criticism of the President,
or that we are to stand by the President, right or wrong,
is not only unpatriotic and servile, but is morally treasonable
to the American public."--Theodore Roosevelt, May 7, 1918

In article ,
Szaboht wrote:
Thanks for the response.
Cheers,
Szabo

Your welcome, and its good to be able to help someone
that appreciates it. Feel free to stop back :-)
--
LF Website @ http://members.verizon.net/~gregoryblank

"To announce that there must be no criticism of the President,
or that we are to stand by the President, right or wrong,
is not only unpatriotic and servile, but is morally treasonable
to the American public."--Theodore Roosevelt, May 7, 1918

In article ,
Szaboht wrote:
Thanks for the response.
Cheers,
Szabo

Your welcome, and its good to be able to help someone
that appreciates it. Feel free to stop back :-)
--
LF Website @ http://members.verizon.net/~gregoryblank

"To announce that there must be no criticism of the President,
or that we are to stand by the President, right or wrong,
is not only unpatriotic and servile, but is morally treasonable
to the American public."--Theodore Roosevelt, May 7, 1918