In a message dated 3/26/01 6:27:52 PM Pacific Standard Time,
scott@xxxxxxxxxxxxxxxxxxxxxxxxxx writes:
> I've recently acquired a 50/1.4 (it was part of a larger deal) with
> something odd inside it. I've seen a number of lenses with fungus before,
> and this looks nothing like that. The lens elements themselves appear to be
> totally clear. As a matter of fact on the first two inspections I made of
> this lens, I didn't notice any problem with it. I've also shot a test roll
> using it and the pictures come out fine.
>
> Whatever this stuff is, it looks a lot like something that condensed out
> inside, of all things (as a matter of fact, at first I thought it was
> exactly that--internal condensation). It's pure white in color and opaque.
> As far as I can tell, it's all on the inside of the lens barrel, only, and
> only between the 1st couple of elements of the lens (or maybe all ahead of
> the diaphragm, it's quite difficult to tell for sure).
>
> Anyway, do you think it's worth it to try and clean this lens? Is this one
> that's relatively easy to disassemble to clean? I worried that if I ignore
> it, it may well get worse, assuming it *is* something alive.
>
And I just acquired a 35 -105/3.5 - 4.5, with what LOOKS like two VERY tiny
fungus blooms SOMEWHERE inside the front element (they turn with it).
Otherwise lens is pristine. Same question as Scott poses above: Is it worth
it to try to clean this lens? Is it possible (for an amateur who is pretty
mechanically inclined, but not a trained lens tech) to disassemble & clean
(assuming it's not a fungus bloom BETWEEN elements)?
Rich
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