Correction that should be molded optical _plastic_ not glass...
keith_w wrote:
> P. J. Alling wrote:
>
>> Yep, you've got it. Elements don't just separate from each other. The
>> rear aspheric element is a composite made from a ground glass portion
>> and a molded optical glass portion, it's this element that breaks down
>> and separates. Too bad as otherwise this is a wonderful lens. I
>> understand that Pentax is now able to repair these but I haven't gotten
>> around to sending my sample in.
>>
>
> You embarrass me, as I have an otherwise perfect one that needs
> attention, and Pentax said "Send it in."
> So far, I haven't.
> I think I'll hang up a big Post-It note and follow up this week yet!
>
> keith whaley
>
>
>> David J Brooks wrote:
>>
>>> Is this the lens that seemed to fall apart.
>>>
>>> There was talk last year here, about a lens in this more or less focal
>>> lenght, that was a good performer, but the elements tended to seperate.
>>>
>>> Was it this one.?? Or another.
>>>
>>> Actually, comments on this lens would be appreciated.
>>>
>>> Still trying to determine my Christmas presents to my self. Three
>>> primes or a couple o' zooms.
>>>
>>> Dave
>>>
>
>
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