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12-30-2009, 12:45 AM   #16
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there was a thread which shows an statistics of SDM failures on particular SDM lenses. too bad it didn't show a poll on how many times an SDM got repaired and replaced? or how many times an owner or potential owner experienced a defective SDM lens?

if you are going to ask me, I got 5. and that's me alone. how many you guys had?

fwiw, experiencing or having to deal with 5 failed transactions due to a defective SDM lens is an alarming sight, if we are going to consider the number of failed lenses and not just number of owners without any defect. it may shock us to see that the number of failed lenses might equal or even surpass the number of good ones.

12-30-2009, 12:48 AM   #17
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I've never even seen an SDM lens, but I'm more cautious about them after reading this thread.

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