Archived posting to the Leica Users Group, 2009/04/24

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Subject: [Leica] 21 mm Elmarit fringing
From: sonc.hegr at gmail.com (Sonny Carter)
Date: Fri, 24 Apr 2009 21:58:29 -0500
References: <aca72a432de8714276b743f5ae8d7756@cshore.com> <08699869-796D-462C-96CA-65026CC32470@verizon.net> <49F278A9.4030608@san.rr.com>

This may be your best post ever, Jerry.

On Fri, Apr 24, 2009 at 9:42 PM, Jerry Lehrer <glehrer at san.rr.com> wrote:

> LUGers,
>
> I don't quite understand.  I have been using  a 21mm Elmarit for a couple
> of years and I never have had
> a problem.  All my transparencies and prints have had no colour fringing or
> vignetting.  It is much better
> than my previous Super Angulon which was stolen from me by a fast talking
> flatlander from Pacific Beach.
>
> BTW, my Elmarit is the pre-Aspheric version with no coding. It is a much
> superior lens than the C-V
> 21mm that I had been using in the interim.
>
> Jerry Lehrer
>
>
> Leonard Taupier wrote:
>
>> Douglas,
>>
>> An uncoded 21mm lens with a UV/IR filter will give you the color fringing
>> you describe.
>>
>> Len
>>
>>
>> On Apr 24, 2009, at 6:37 PM, Douglas Nygren wrote:
>>
>>  I have been using a pre-Asph 21mm Elmarit on the M8 and notice on the
>>> edges a subtle shift to light blue.
>>>
>>> My assumption is that this may be caused by vignetting, but I may be
>>> wrong. Has anyone else noticed it.
>>>
>>> A friend suggested that having the lens coded for the M8 might cure this
>>> problem. Does anyone know whether that is true or not?
>>>
>>> My friend maintains that coding helps wide-angle lenses. True?
>>>
>>> I assume the Asph 21 does not have this problem, but that's an
>>> assumption.
>>>
>>> Your help is appreciated, as always.
>>>
>>> Doug
>>>
>>>
>>> _
>>>
>>
>>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>



-- 
Regards,

Sonny
http://www.sonc.com
http://sonc.stumbleupon.com/
Natchitoches, Louisiana   (+31.754164,-093.099080)
USA


In reply to: Message from dnygr at cshore.com (Douglas Nygren) ([Leica] 21 mm Elmarit fringing)
Message from len-001 at verizon.net (Leonard Taupier) ([Leica] 21 mm Elmarit fringing)
Message from glehrer at san.rr.com (Jerry Lehrer) ([Leica] 21 mm Elmarit fringing)