Archived posting to the Leica Users Group, 2008/12/30

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Subject: [Leica] IMG: M8 + Visoflex + 400 mm Telyt f:6.8
From: imagist3 at (Lottermoser George)
Date: Tue Dec 30 14:02:15 2008
References: <>

Well - optically one would have to assume that the high IR  
sensitivity of the sensor
and lack of filter will come into play in the rendering - depending  
on how much IR light
is in the scene - and specifically at these edges - if that's the  

I rarely examine these things in my head before first tests.
I'm a - stick it on - shoot - see what it looks like - how it handles  
- sort.
always a KISS sort of fellow - with just a bit more interest in the  
technical than Ted.
If there's a "problem" - that's when I start thinking about it and  
testing variations.

Not at all sure what the IR / Lens detection setting actually does  
with a RAW DNG file.

Fond regards,

On Dec 30, 2008, at 3:42 PM, wrote:

> Geoff Hopkinson wrote:
>> ... given the focal length, I think that the IR/UV filter is  
>> irrelevant.
> ??
> I thought that the IR filter helps regardless of the focal length,  
> it's the
> lens detection / cyan corner fix that's irrelevant for long lenses  
> on the
> M8.  I don't see much polyester on these ducks & geese so it's all  
> a moot
> point.
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.cmo
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Replies: Reply from tedgrant at (Ted Grant) ([Leica] IMG: M8 + Visoflex + 400 mm Telyt f:6.8)
In reply to: Message from wildlightphoto at ( ([Leica] IMG: M8 + Visoflex + 400 mm Telyt f:6.8)