Archived posting to the Leica Users Group, 2003/02/27

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Subject: Re: [Leica] 90 Tele-Elmarit Rear element etching
From: Bill Satterfield <cwsat@istate.net>
Date: Thu, 27 Feb 2003 16:30:33 -0600
References: <OF97EB974F.7F31C8BD-ON86256CDA.006B3A0C-86256CDA.006BDEEB@rockwellcollins.com> <3E5E7A3D.6090204@istate.net> <3E5E7FD5.748BEEB9@Earthlink.net>

Steve, the source of my info was the LUG and the LEG.  Please check the 
archives. I believe your web site even mentions this problem. These 
postings also indicate that Leica has no idea of the cause or why this 
happens. I purchased a TE that had an etching on the rear element. 
Called Leica, they said could not be repaired sent the lens back. Then 
when I bought the other TE, I had 10 days to return it. I sent it to 
Leica overnight. They examined it, gave me the all OK and overnighted it 
back to me. In recall that there was no official explanation from Leica 
 on this problem. I do not know the  source of the info supplied by the 
LUG and LEG members. I am sure if you check the the archives and 
identify these people, you could ask them. I feel sure you saw some of 
the posts but I do not  recall if you questioned the source at the time. 
The info about the glue indicated Leica changed the glue when they 
returned to Germany. I guess, looking back, everything was hearsay. Just 
like all the  posts are on the LUG. Was there some reason you are 
raising the question at this time? Please advise. I guess all knowledge 
is second hand except OJT

Stephen Gandy wrote:

>Hi Bill,
>
>Could you give all the details possible about the glue sometimes causing the
>etching on the rear elements of the Canadian TE?
>
>with all their personnel changes over the years, today's Leica company
>apparently has no memory of the matter, nor of its cause.
>
>I have seen the TE etching problem about six times, but was always left
>speculating about the cause.
>
>who was the source of your info at Leica at the time?
>
>Thanks
>
>Stephen Gandy
>
>Bill Satterfield wrote:
>
>> I have one of the the last production runs of the TE. Was made after
>>the manufacturing of the lens was moved from Canada to Germany. Has a
>>high serial number for that run of lens. I bought it from the original
>>owner He found it several years after they quit making it on a dealers
>>shelf in Spain. Was and is now, like new. I purchased a 12575 lens hood
>>for it. They changed the type of glue at that time. This eliminated the
>>problem of etching on the rear elements. I really like the lens I have
>>not noted any flare problems. Maybe I am missing it. How can you tell
>>flare? What should I look for?
>>
>
>
>--
>To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html
>



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Replies: Reply from Jerry Lehrer <jerryleh@pacbell.net> (Re: [Leica] GLUE & Tele-Elmarit element etching)
Reply from Stephen Gandy <LeicaNikon@earthlink.net> (Re: [Leica] 90 Tele-Elmarit Rear element etching)
In reply to: Message from grduprey@rockwellcollins.com (Re: [Leica] Lens help)
Message from Bill Satterfield <cwsat@istate.net> (Re: [Leica] Lens help)
Message from Stephen Gandy <LeicaNikon@earthlink.net> ([Leica] 90 Tele-Elmarit Rear element etching)