Archived posting to the Leica Users Group, 2008/06/14

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Subject: [Leica] M8 and the WAR
From: douglas.sharp at gmx.de (Douglas Sharp)
Date: Sat Jun 14 01:30:42 2008
References: <20080613235158.7ACF1134@resin13.mta.everyone.net>

Anastigmats?

Alastair Firkin wrote:
> Correction lens?
>
> --- mark@rabinergroup.com wrote:
>
> From: Mark Rabiner <mark@rabinergroup.com>
> To: Leica Users Group <lug@leica-users.org>
> Subject: Re: [Leica] M8 and the WAR
> Date: Sat, 14 Jun 2008 00:04:30 -0400
>
> Well you're not supposed to call those close up filters filters.
> You're supposed to call thems something else.
> I forgot what.
> Dioptors maybe.
>
>
>
> mark@rabinergroup.com
> Mark William Rabiner
>
>
>
>   
>> From: Henning Wulff <henningw@archiphoto.com>
>> Reply-To: Leica Users Group <lug@leica-users.org>
>> Date: Fri, 13 Jun 2008 19:58:56 -0700
>> To: Leica Users Group <lug@leica-users.org>
>> Subject: Re: [Leica] M8 and the WAR
>>
>>     
>>> The kind of really smart and cool stuff we expect from Rollei usually.
>>> But I feel like to be correct we should not be referring to it as a
>>> "filter".
>>>
>>>
>>>
>>> mark@rabinergroup.com
>>> Mark William Rabiner
>>>
>>>
>>>       
>> It's a filter. But it only works with one kind of film. That's why
>> it's not such a smart idea. What works with Maco 820 doesn't work
>> with HIE, or equivalent emulsions.
>>
>>
>>
>>     
>>>>  From: Henning Wulff <henningw@archiphoto.com>
>>>>  Reply-To: Leica Users Group <lug@leica-users.org>
>>>>  Date: Fri, 13 Jun 2008 15:54:18 -0700
>>>>  To: Leica Users Group <lug@leica-users.org>
>>>>  Subject: Re: [Leica] M8 and the WAR
>>>>
>>>>         
>>>>>  Jim und David,
>>>>>
>>>>>  Let it be Known that the Rolleiflex Infra-Red filters have a "lens
>>>>>  correction"
>>>>>  built into them to compensate for IR focus shift.
>>>>>
>>>>>  BTW, I have a Leica E-39 size IR filter available, should anyone want 
>>>>> it.
>>>>>
>>>>>  Jerry
>>>>>
>>>>>           
>>>>
>>>>
>>>>  That's interesting.
>>>>
>>>>  I assume it's a slight diopter ground into the filter, to compensate
>>>>  for some specific IR wavelength (which any specific film may or may
>>>>  not be sensitive to).
>>>>
>>>>
>>>>  --
>>>>      *            Henning J. Wulff
>>>>         
>> -- 
>>     *            Henning J. Wulff
>>    /|\      Wulff Photography & Design
>>   /###\   mailto:henningw@archiphoto.com
>>   |[ ]|     http://www.archiphoto.com
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>>     
>
>
>
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>   

Replies: Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] M8 and the WAR)
In reply to: Message from afirkin at afirkin.com (Alastair Firkin) ([Leica] M8 and the WAR)