Re: Cyanotype formula comparison


Jonathon Russell (hylandscot@voyager.net)
Sun, 09 May 1999 23:02:38 +0000


SCHRAMMR@WLSVAX.WVNET.EDU wrote:
>
> Garimo,
>
> I would have to go back and dig out the prints to be certain, but as I recall,
> there was no significant, if any, difference in exposure. If fact, I'm sure
> that the exposure was a control. i.e. I determined the proper exposure for
> 1 part A, 1 part B and then used the same exposure for 2 parts A, 1 part B.
> And before you ask, yes, I did increase exposure for 1 part A, 1 part B to see
> if it would increase the tonal range. It did not. Just got more black steps.
>
> Bob Schramm
>

Bob,
I'm not sure if you have stated this: What is the formula that you are
citing as the original???????
There seems to be several variations on a theme.

Regards,

Jonathon Russell

-- 
"Expose for the Secrets, 
 Develop for the Surprises!"



This archive was generated by hypermail 2.0b3 on Thu Oct 28 1999 - 21:39:32