Mark wrote:
> I guess I've been lucky. I own 5 FA* lenses and all have held together ok
> so far. Thing is, I live in California and do most of my photography under
> fairly stable thermal conditions (10C to 40C).
>
> You use your lenses outdoors at night in places like Norway and Iceland.
> Could it be that the adhesives that Pentax uses just don't hold up under
> repeated severe thermal cycles?
I'm sure that many never experience problems. However, having this failure on 75% of
my lenses and having heard other suffer the same; not to mention having seen this
malfunction in brochure pictures of Pentax lenses, I can certainly say its a common
problem. As Alan pointed out, its an idiotic patent.
It has nothing to with temperature. The lenses are defective brand new, right out of
the box.
Pål
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