Re: bromoil home made paper
Henk Thijs (tys@masadm1.mas.eurocontrol.be)
Mon, 20 Nov 1995 15:46:00 GMT
Concerning the question of making non-supercoated baryt paper
Adrea wrote: (thanks a lot)
>As far as I know there are at least two reasons for that:
>
>* First, sensitivity of non-silver based emulsions is very poor, good for
>manipulation purposes, but forcing you to very long exposure times if you
>don't use very strong light sources (reciprocity effect produces almost
>geometric progression)
>* Second, most of the emultions are only sensitive to UV light, giving to
>your enlarger lenses the chance to block most of the light coming out of
>there
>
>So, these are the main reasons (maybe there are many others...) that are
>giving poor chances to us to use standard negatives and the well beloved
>enlarger
This was clear to me following the discussions upon processes like cyano,
carbo,platinum etc., but my question is :
Is it possible to make a paper like Ilford Gallery
without the supercoating?
With other words : producing a silver based paper for bromoil .
greetings henk