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Re: [PPLetterpress] Re: Bottom lit exposure unit

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  • Kernow Craig
    Thanks for the insight Eic, that makes sense. Our print studio does have dust so we ll pass on the bottom-lit exposure unit and get something that we can use
    Message 1 of 3 , Apr 11, 2011
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      Thanks for the insight Eic, that makes sense.
      Our print studio does have dust so we'll pass on the bottom-lit exposure unit and get something that we can use the compressed air on with more confidence.

      Kernow

      On Mon, Apr 11, 2011 at 2:13 PM, Eric <Megalonyx@...> wrote:
       



      --- In PPLetterpress@yahoogroups.com, Kernow Craig <kernow@...> wrote:
      >
      > . . . I¹ve


      > been offered a bottom lit vacuum exposure unit. The diffuser layer is
      > adhered directly to the glass. Being bottom lit means that the polymer
      > plate would lay face down on the film.
      >

      With a face-down exposure unit, you will be working blind, so a very clean working environment would be important. That is, you won't be aware if any dust, hair, or other foreign matter is in the image area until you've processed and proofed the plate. These can ruin a plate and require remakes which can become costly.
      The normal face-up design, whether glass or krene over the material, lets you see that all is clean and ready to expose.
      But if the unit is free or cheap, use it until a better one is available.
      --Eic Holub, SF




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      Kernow Craig
      BLOOD & THUNDER
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      118 Terry St
      Rozelle
      NSW 2039
      Australia

      P: +61 (0)403 453 949
      E: kernow@...
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