Archived posting to the Leica Users Group, 2008/08/22

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Subject: [Leica] I have come to this conclusion
From: frank.dernie at btinternet.com (FRANK DERNIE)
Date: Fri Aug 22 04:07:33 2008

Hi Alastair,
I am intrigued by your conclusions - because mine
differed!
I always use a filter now and the only lenses I have
coded are 28mm and WATE. I find the colours too
inaccurate outdoors without a filter, very noticeable
on grass and other greenery, as well as synthetics.
I haven't found any real problem with filter on my
uncoded lenses so far, are you having "colour
vignetting"?
cheers,
Frank

--- Alastair Firkin <afirkin@afirkin.com> wrote:

> I am home with the flu and my new M8, so its time
> for some playing around. 
> 
> 1. if you have a UV/IR filter on the lens, make sure
> you have the Lens detection/UV/IR "on". This applies
> to all lenses 50mm and greater. The 35 is touch and
> go
> 
> 2. if you are using a wide angle, and it is uncoded,
> do not use the UV/IR filter. This probably includes
> the 35mm. It is counter productive to put the filter
> on a wide uncoded lens, and you are probably better
> off to use black/purple shift to correct any black
> clothing in the image (given that you don't mind
> purples going black)
> 
> 3. do not use the wide TE with the lens detection
> off unless you remove the IR filter. 
> 
> 4. the 21 asph can be used without an external
> viewfinder (as reported by Gene) as long as you
> don't wear glasses, the FOV will equate almost
> exactly to everything you can see in the viewfinder
> outside the frames: in some ways its more accurate
> than using the frames, which have such a huge
> latitude that I find them annoying. 
> 
> 5. the 21 asph is a great lens, and I really should
> have it coded :-( Leica should really have allowed
> us to choose the lens from the menu rather than
> force coding: but I suspect this is where they are
> just collecting a bit of "cream". Also, the TE
> brings up the appropriate focal length when coded:
> why could not the TEW. 
> 
> Oh well
> 
> Cheers
> 
> Alastair
> 
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> more information
> 


In reply to: Message from afirkin at afirkin.com (Alastair Firkin) ([Leica] I have come to this conclusion)