Rate this post by selecting a number. 1 is the worst and 5 is the best.

Author Message   Connealy Tinkerer Username: Connealy Post Number: 26 Registered: 02-2008 Rating: N/A Votes: 0 Posted on Thursday, January 14, 2010 - 08:59 am:    What looks like dust may actually be de-silvering of the prism which is very common in the Retina. Unless you have a replacement available, it may not be worthwhile opening the top. It has been a while since I got the top off mine, so am hazy on the details. I don't think there was anything very unusual about it. It is possible that the light seal around the prism is just a bit stuck.