Glad to hear you're getting along well there.
Chuck Norcutt
On 2/6/2012 5:50 PM, John Hermanson wrote:
> Glad I could help. The red stuff is probably some sort of "loctite"
> which in this case didn't do it's job. Hats off to you for taking care
> of it. You have avoided a trip to a repair shop.
>
> At Tamron, I've been certified to repair on the SP 17-50mm f2.8 VC,
> 70-200mm f2.8, and am training on the 70-300mm VC. Tamron will be
> making lenses for the m4/3rd system, and Sony Nex cameras. BTW, the
> 70-200 is awesomely sharp and contrasty.
>
> ___________________________________
> John Hermanson | CPS, Inc.
> 21 South Ln., Huntington NY 11743
> 631-424-2121 | www.zuiko.com
> Olympus OM Service since 1977
> Gallery: www.zuiko.com/album/index.html
>
> On 2/6/2012 10:56 AM, marc simon wrote:
>> One million thanks John !
>> You are "The Man"...I was sure you'll have the solution:
>> in fact there are two small screws under the rubber: they were loose I
>> see a red deposit probably some locking glue...on the thread... in
>> turning the ring I discovered two small threaded holes on two some
>> metallic pieces under the ring (with the zoom at half way...) some
>> "screwing later"...Bingo it works...and on the radio at the same time
>> Counting Crows singing Mr Jones and me...for one moment I translate it
>> in "Mr John and me"...:)
>> It's too cold here to go camping, but for sure I'm a happy camper !
>> For the record when the zoom is fully extended the two screws are in
>> line with the white dot of the rotating collar of the foot on the right
>> at 90° clockwise
>> regards
>> marc
>> bois-de-villers Belgium
>>
>>
>> Le 6/02/2012 12:48, John Hermanson a écrit :
>>> When zoomed all the way back, there is probably supposed to be a large
>>> screw head visible through a hole in the zoom ring (under the rubber).
>>> Screw head rides in a track inside the zoom ring. It is possible screw
>>> has come out of the track or come unscrewed from the zoom tubes. If
>>> unscrewed (or broken off) it would be rolling/rattling around. I have
>>> never worked on the Olympus but it is similar to Tamron 70-200.
>>>
>>> ___________________________________
>>> John Hermanson | CPS, Inc.
>>> 21 South Ln., Huntington NY 11743
>>> 631-424-2121 | www.zuiko.com
>>> Olympus OM Service since 1977
>>> Gallery: www.zuiko.com/album/index.html
>>>
>>> On 2/4/2012 2:43 PM, Wiliam Wagenaar wrote:
>>>> Sorry Moose,
>>>>
>>>> I believe that focusing is 100% electronically, but zooming is mechanical.
>>>> Even works when lens is disconnected from the body. What's wrong with the
>>>> lens? No idea!
>>>>
>>>> Mechanical Wiliam
>>>>
>>>> -----Original Message-----
>>>> From: Moose [mailto:olymoose@xxxxxxxxx]
>>>> Sent: zaterdag 4 februari 2012 19:21
>>>> To: Olympus Camera Discussion
>>>> Subject: Re: [OM] trouble with my 50-200
>>>>
>>>> On 2/4/2012 7:06 AM, marc simon wrote:
>>>>> Hi, all,
>>>>> bad luck this morning at one moment my Zuiko ED 50-200 doesn't want to
>>>>> zoom anymore:it looks like there is something "non-functioning" in the
>>>>> linkage between the zoom ring and the optic. With some tweaking I could
>>>>> manually extend the lens, like a one-ring zoom, and when I look at the
>>>>> data the focal lens looks correct, and the autofocus still works...
>>>>> So it looks like some mechanical linkage is not functioning anymore.
>>>> I can't believe that is any mechanical function. Everything is electrical.
>>>> There are a couple of other brands that
>>>> accommodate their old MF lenses with mechanical connections.
>>>>
>>>> First thing to do is clean the contacts on lens and body.
>>>>
>>>>> ... It was cold this morning, but the lens doesn't suffer any shock...
>>>> Perfect situation for a tiny bit of condensation to mess up a contact that
>>>> was already a little dirty.
>>>>
>>>> The Tamron lenses on my Canons very occasionally cease to AF properly,
>>>> busily and noisily hunting back and forth. Sounds
>>>> like something terrible has happened. If it hasn't happened for months, it
>>>> often takes me a moment to remember what it
>>>> is. A quick wipe of contacts with my shirt or other piece of cloth puts
>>>> things right. Then I try to remember to do a
>>>> better job when back out of the field.
>>>>
>>>> Cleanliness Is Next to Function Moose
>>>>
>
--
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