Paul Braun
Certified Music Junkie
"Music washes from the soul the dust of everyday life.". -- Berthold Auerbach
> On Jun 26, 2014, at 2:36, Chris Crawford <chris@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> The OM 65-200 f4 zoom had the same problem. I have one of them my father
> bought new when I was a kid. I used to do a lot of photography with it
> when I was younger, but its worthless now. I've seen several others in the
> last couple years for sale, and all had the same issue. Sucks, because it
> was a pretty sharp lens for a 1980's zoom.
>
> I shot these with it when I was 15. 23 years ago!
>
> http://chriscrawfordphoto.com/chris-details.php?product=866
>
> http://chriscrawfordphoto.com/chris-details.php?product=932
>
> --
> Chris Crawford
> Fine Art Photography
> Fort Wayne, Indiana
> 260-437-8990
>
> http://www.chriscrawfordphoto.com My portfolio
>
> http://www.facebook.com/pages/Christopher-Crawford/48229272798
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>
>
>
>> On 6/26/14 2:57 AM, "Andrew Fildes" <afildes@xxxxxxxxxxxxx> wrote:
>>
>> Yes - I've had this. The fogging is over the outer surface of the inner
>> lens - the side facing the internal space. Sometimes the element facing
>> it is also affected. I've had both faces repolished on one pair by a
>> Sydney specialist - resurface and single coating. He charged by the
>> surface on the demounted lenses. It was not necessary to separate the
>> tiny rear doublet.
>> And don't ask - he's retired. I found him by asking a television station
>> serviceperson who had to deal with a lot of damaged lenses.
>> I don't know what causes it in this specific way on this specific lens
>> but it's quite unusual. An even frost etching over the whole surface,
>> nothing like fungus.
>> Andrew Fildes
>> afildes@xxxxxxxxxxxxx
>>
>> Author/Publisher:
>> The SLR Compendium,The TLR Compendium
>> http://www.soultheft.com/storehouse_photopublish/
>>
>>
>>
>>> On 26/06/2014, at 9:44 AM, John Hermanson wrote:
>>>
>>> Fogging (like white frosted) is all over outside of element. Sad, I
>>> have a super clean 8mm with this defect.
>>>
>>> ___________________________________
>>> John Hermanson | CPS, Inc.
>>> 21 South Ln., Huntington NY 11743
>>> www.zuiko.com | omtech1@xxxxxxxxxxx
>>> Olympus OM Service since 1977
>>>
>>>
>>>> On 6/25/2014 11:19 AM, Sawyer, Edward wrote:
>>>> The only real possible solution for this is extract the inner element
>>>> pair
>>>> (presuming it's a cemented pair), de-cement them, and re-cement them
>>>> with
>>>> new cement. Edmund Optics carries the tools and supplies you would need
>>>> for this. It's not a trivial piece of work, and would only be worth
>>>> trying
>>>> on an otherwise useless lens.
>>>>
>>>> The above assumes the fogging is in the cementing, which is probable.
>>>> However, some types of glass can chemically change with time,
>>>> effectively
>>>> dissipating some of their materials to the surface of the glass,
>>>> resulting
>>>> in permanent haze. Not sure if the OM fisheyes are of that nature or if
>>>> it's cemented elements that are to blame.
>>>>
>>>> The mamiya RZ67 75mm shift/SB lenses have a common ailment like this
>>>> too,
>>>> in a rear cemented pair.
>>>>
>>>> -Ed
>>>>
>>>>
>>>> On 6/24/14 6:16 AM, "olympus-request@xxxxxxxxxxxxxxxxx"
>>>> <olympus-request@xxxxxxxxxxxxxxxxx> wrote:
>>>>
>>>>> [OM] 8mm OM analogue 2.8 OM fisheye users please contact me
>>>>> off-list
>>> --
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