Re: [pinhole-discussion] A couple of tech questions

2001-11-20 Thread Jeff Dilcher
Hi Guy!

I also found this:
http://photography.cicada.com/zs/tables/61.html

Oddly, I didn't see what is referred to as +1 +2 N -2 -1
development times on Digital Truth.  Admittedly, there
is much information there , so I may have missed it.

That is a good site to bookmark!  Thanks for the tip!
Jeff



On Tue, 20 Nov 2001, Guy Glorieux wrote:

 Jeff,
 If you go to DigitalTruth.com, you'll see the first item on the menu is
 the famous Massive Development Chart with all the info to develop
 every fim on eatth with every combination of developers and push-pull
 data.  Very neat.
 http://www.digitaltruth.com/
 Cheers,
 Guy

 Jeff Dilcher wrote:

  Sorry for the technical questions, but maybe someone
  could be of help.
 
  1) TMAX 100 film - I am thinking of trying to alter
  my development times to obtain the -2, -1, +1, +2, contrast
  adjustments.  Can anyone give me some reasonable
  percentages of normal development times that I should
  start off with for this film?
 
  2) convergence / parallax  - can anyone point me to an
  online resource which might discuss these distortions when
  shooting large format, and how to resolve with swings and
  lifts, etc.?
 
  Thanks for any help,
  Jeff
 
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[pinhole-discussion] A couple of tech questions

2001-11-19 Thread Jeff Dilcher
Sorry for the technical questions, but maybe someone
could be of help.

1) TMAX 100 film - I am thinking of trying to alter
my development times to obtain the -2, -1, +1, +2, contrast
adjustments.  Can anyone give me some reasonable
percentages of normal development times that I should
start off with for this film?


2) convergence / parallax  - can anyone point me to an
online resource which might discuss these distortions when
shooting large format, and how to resolve with swings and
lifts, etc.?

Thanks for any help,
Jeff