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I have displayed Saturnidae under UV-filtering acrylic with good results. Inexpensive - from Hobby Lobby framing department.

Jeff Barnes

> On Dec 10, 2013, at 2:27 PM, "Christopher Marshall" <[log in to unmask]> wrote:
> 
> Hi all,
> 
> I've recently been asked about light levels for butterfly specimens being put on display in a public museum space.   I've been asked if there is an 'appropriate' light level that will not rapidly fade the specimen.  Has anyone in the museum display arena done a study or published recommendations for light levels that are appropriate.  My first instinct was to have lights that only come on when a viewer is in front of the exhibit or pushes a button.... so that the light was only intermittent -- but the exhibit director is not sure they can do that and so has asked if there is a lumen level that might be acceptable.  
> 
> I quickly searched the ECN archives, but didn't find anything -- but if this thread was already addressed can you post a link?
> 
> thanks,
> Chris
> 
> Christopher Marshall
> Curator & Collections Manager
> Oregon State Arthropod Collection
> Zoology - Oregon State University
> Corvallis OR, 97331-2914
> [log in to unmask]