White film on lens barrel??

3 years 10 months ago #684442 by Uplander
I just had a zoom call with a buddy and he was showing me one of his lenses that now has this whitish film on the barrel.  I have not seen this before, not like this.  Any idea what might be the cause?  He tried wiping off, and it's not moving.  

I honestly had no clue and couldn't offer any help to him.  I told him I would check here for advice.  


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3 years 10 months ago #684619 by Jennifer Krueger
Did you handle the lens after using bug spray?  There are some bug sprays that will mess up the finish on lenses.  


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