Sil Horwitz (silh@iag.net)
Sun, 21 Feb 1999 19:13:43 -0500
At 99/02/21 09:08 PM +1300, Kevin wrote: (very small portion shown)
>Another bonus- the reversal process gives finer grain from a given film
>because of the solvent added to the first developer.
Normally, reversal gives finer "grain" because the larger grains are the most
sensitive and are exposed first. What are left are the less sensitive ones.
This does not ordinarily apply to special structure crystals such as those used
in T-Grain emulsions.
> Rodinal (paraphenyldiamine)
Rodinal is paramidophenol in an alkaline solute. Paraphenylenediamine would
never work in this environment.
Otherwise, the description seems quite thorough and interesting.
Sil Horwitz, FPSA
Technical Editor, PSA Journal
silh@iag.net
Visit http://www.psa-photo.org/
Personal page: http://www.iag.net/~silh/
This archive was generated by hypermail 2.0b3 on Sat Nov 06 1999 - 10:06:53