U of S | Mailing List Archive | alt-photo-process-l | intensity of bulbs

intensity of bulbs


  • To: alt-photo-process-l@usask.ca
  • Subject: intensity of bulbs
  • From: Barry Singer <bsinger@sasktel.net>
  • Date: Mon, 23 Feb 2009 16:17:42 -0600
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A cursory search of the archives doesn't help me answer this question. Perhaps some one can help?

Does a 24" bulb at 20 watts have the same intensity as a 48" bulb at 40 watts?

Barry