Re: Re: carbon-digest V2 #135

You might also get unsharp prints from insufficient pressure of the
contact printing frame. I used to see this a lot before switching to
a vacuum frame.

Sandy

>Eric,
>
>The only time I have had problems with unsharp prints is when I have
>printed the negative upside down -- especially with a diffused light source
>such as a bank of Black Light tubes. There has been a few times when I
>have made a good looking print -- until I quickly notice a very noticable
>softness in the print -- then realize that I had loaded the neg upside down
>in the contact printing frame (instead of emulsion to emulsion). Usually
>happens in the early hours of the morning after a long night.
>
>I have not yet been able to figure out how a pigment could cause an print
>to be unsharp. Perhaps if the pigment consisted of fine reflective
>particles, one might get flaring within the gelatin?
>
>I have made some beautiful grainless 8x10 and 11x14 carbon prints using
>Sumi Ink. Then my next bottle (same brand, etc as the first one) gave me
>nothing but grainy prints -- but as you said, an interesting look,...a very
>fine even grain. Definitely different than silver grains. But not exactly
>what I want in my prints.
>
>I bought a tube of Burnt Sienna (Graham) watercolor, basically a natural
>iron oxide. I will try it with my next batch of tissue. Perhaps a half
>gram with 5 grams of lampblack watercolor. Just to warm the prints up a
>little. Burnt Sienna is in the highest catagory for lightfastness, and I
>know that it is used in gum printing, so hopefully it will be compatable
>with carbon printing.
>
>vaughn
>
>
>>I kept that print. The more I look at it, the more I think I like the
>>grain effect. It's just too blurry for me. If I could get it to look
>>sharper, but with the grain effect, it would be a nice tool to have in the
>>toolbox. Some images would be very appropriate for it.
>>
>>Eric.
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Received on Sat Dec 31 08:14:12 2005