[Histonet] IHC unclear at 40x

Fri Feb 8 13:45:44 CST 2008

My IHC looks great at 5x, 10x, and 20x, but when I go
up to 40x, it is a bit blurry.  The objective is
clean, as is the slide itself.  I deparaffinate in
clean xylene.  Anyone run into this problem, and if
so, how did you resolve it?  Thanks!

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