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  1. #1
    . Bill S's Avatar
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    Sep 2006
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    Yes, I used pencil grids before and after.

  2. #2
    Senior Member drfred's Avatar
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    Sep 2006
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    I have the 1K, 4K, 8K, and the 16K. All were lapped with a sheet of 600 grit wet or dry paper on a piece of glass and none took more than a few minutes. I don't see where you are having problems??

    Fred

  3. #3
    Beaker bevansmw's Avatar
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    Hmm... duno, well they're all done now. The grid-lines went away fairly quick in a few spots on the shaptons but in other spots it took longer. It was pretty similar for all four of them as far as the high and low spots. I made sure it wasn't the way I was lapping it by rotating the shapton 180 degrees with the DMT staying still.

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