Archived posting to the Leica Users Group, 1999/09/20

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Subject: Re: [Leica] 24MM ASph Filter Question
From: Jerald Rosenfeld <rosenfeld@mpdr0.detroit.mi.ameritech.net>
Date: Mon, 20 Sep 1999 14:05:32 -0700

Christer

I believe you are correct.  When you see rings of the lens you are
beyond the optical coverage of that particular lens.
JErry

Christer Almqvist wrote:
> 
> Sorry, this is not a reply, but rather a request for clarification:
> 
> If I look at the camera lens thru the filter, and then tilt the camera away
> from me so that the inside  of the lens partly disappears, but not because
> it is covered by the filter but because it is covered by the outermost
> rings of the lens, then to my mind there is no vignetting caused by the
> filter. Right or wrong?
> 
> And if there is a bit of vignetting caused by the filter when the lens is
> fully opended, will the vignetting disappear if I close the lens down a few
> stops?
> 
> > Will I need "slim filters" or can I use the regular B+W Filters. for
> >the 24MM asph F2.8. With the 84 Degree of Angle of view will I start
> >vignetting with the regualar filters.
> >AS ALWAYS THINKS FOR THE INFO. The LUG is a great resource.
> >
> >Jerry Rosenfeld
> 
> --
> christer almqvist
> eichenstrasse 57, d-20255 hamburg, fon +49-40-407111 fax +49-40-4908440
> 14 rue de la hauteur, f-50590 regnéville-sur-mer, fon+fax +33-233 45 35 58