[alt-photo] Re: Light sources for polymer gravure

[Mark Nelson]

Henry,

I tested the difference between point source and tubes and did not find a huge difference in results.  You might give it a try with your current setup.

Best Wishes,
Mark Nelson

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On Aug 18, 2012, at 10:12 AM, "e-mail henry.rattle" <henry.rattle at ntlworld.com> wrote:

> Hello All,
> 
> Hope the quiet list is a mark of a productive summer!
> 
> I'm wanting to try polymer gravure, and have a small press and a nice
> random-dot screen. The advice I see is that you need a point light source
> for exposing the screen, but I only have my trusty five-tube BL diffused
> exposure unit. What's the most economical way of getting a point source?
> (don't say the sun - I live in England!) - or can you make a diffuse source
> work?
> 
> 
> Thanks for any ideas...
> 
> Best wishes
> 
> Henry
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