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  1. #11

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    The enlarger was bought new about 8 months ago.

  2. #12
    Dave Miller's Avatar
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    Dec 2003
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    Quote Originally Posted by Mark Pope
    Do any of you change bulbs on a regular basis rather than waiting for them to blow? I (currently) have a Meograde head on an Opemus 6.
    If the colour of the bulb changes over time, will this have significant effect on printing grades over time?
    This is more of an issue if you are printing colour Mark. The light output reduces gradually over the lamp life, just as the colour changes slightly. The only time you may notice this is when you replace the lamp with new, but it's not a big issue unless you happen to be in the middle of a print run when the lamp blows. It is certainly good practice to keep a couple of spare lamps ready.
    Regards Dave.

    An English Eye


  3. #13
    Stoo Batchelor's Avatar
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    Dec 2005
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    Quote Originally Posted by David H. Bebbington
    As the bulb is a tungsten halogen type, its color temperature should not change much if at all during its service life.
    What is worth knowing is that the styrofoam mixing chambers used in Meopta enlargers yellow with age and need changing (probably every 5 years or so wth occasional use, more often with heavy use).
    Thanks for that info David. Thats interesting to know.

    Regards

    Stoo

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