From: rrllff@yahoo.com   
      
   On Tuesday, November 5, 2013 2:30:29 PM UTC-5, Phil Hobbs wrote:   
   > On 11/05/2013 01:23 PM, Helmut Wabnig wrote:   
   >   
   > > Any ideas how to mitigate a severe scratch in   
   > > the front lens of a fotoobjective?   
   > > Can only take shots in nebula   
   > > or have to correct fotos with software effects.   
   >   
   > > Polishing?   
   > > Filling the crack with something and polish?   
   > > Oil on the front lens?   
   >   
   > That's hard to do.  You might try a little bit of black paint.   
   >   
   > Cheers   
   >   
   > Phil Hobbs   
      
   Excellent idea.  Try applying it with a single hair   
   camel hair brush.  It might not work but it's probably   
   your best bet.  (Some of the model shops have excellent   
   matte black paint.)   
      
   http://www.richardfisher.com   
      
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