[Leica] tri-x at 204800 ASA

[walt at waltjohnson.com (Walt Johnson)]

HC110 ..1 oz concentrate/16 oz water....85degrees..3 1/2 minutes.....The 
dark side of the moon or night high school football.

Walt

p.s. ASA and light meters are for wimps. :-)

Kyle Cassidy wrote:

>when in college, i made a startling discovery. if you developed tri-x at 6 
>minutes at 70' (or whatever) you got properly exposed negatives. if you 
>increased this time to 14 minutes at 71', you could increase the film speed 
>to an incredible 16,000 asa. using my failed high school math skills, i 
>realized that if i cooked a roll of tri-x at 72' for seven hours, with 5 
>seconds adjitation every 60 seconds and changing developer every 30 
>minutes, i could boost the film speed to 204,800 asa and shoot in side of a 
>bank safe with the doors closed.
> 
>sadly, all i discovered was that any actual useful film speed seems to stop 
>at about 64,000 but what does happen is that many parts of the negative 
>become completely opaque.
> 
>put that in your digital leica and shoot it.
> 
>k
> 
>
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