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bench focus

Discussion in 'Wiki' started by derekleffew, Jan 23, 2009.

  1. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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    Also known as "lamp optimization" or "tuning," the act of aligning the lamp so that its filament is at the optimal focus point in the reflector. Rarely done on a work bench--ideally the fixture is hung at a comfortable height perpendicular to a white wall or other flat surface. One possibility, in a counterweight house, is to fly in the 1st electric to a trim of about +5', and focus the fixture onto the cyc. Each brand of fixture has slightly different adjustments. While most agree that the procedure should be done every time a new lamp is installed, including on moving lights, often this is impractical.



    Directions for an ETC SourceFour ERS: http://www.etcconnect.com/docs/docs_...& Tuning.pdf.
    See also this thread: http://www.controlbooth.com/forums/l...ing-360qs.html.
     
    Last edited by a moderator: Sep 15, 2013

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