Archived posting to the Leica Users Group, 2001/03/21

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Subject: Re: [Leica] Re: 35mm M Summicron ASPH lens-flare
From: Doug Herr <telyt@earthlink.net>
Date: 21 Mar 2001 14:35:32 -0800

On Wed, 21 March 2001, Andrew Nemeth wrote:

> 
<SNIP>
> 
> No manipulation, no sleight of hand - fly out to Australia and
> I will show you the original C41 negatives the flare examples
> were taken from.  Indeed, on the neg they look far worse than
> the scans I uploaded.
> 
> When you examine the negs you will also see that shots taken
> immediately before and after the 2 examples came out fine.
> Sharp, in focus, no flare.  Same lens, same f-stops.  While
> you are at it, you can also examine the lens and see that it
> is brand new and the glass is clean and in mint, just-out-of-
> the-box condition.  You will notice that there is no UV filter.
> What about the camera?  A six month old (ie. new) M6 0.85 TTL.
> 
> So you can ignore bad film loading, lens fungus, old lens,
> hole-in-the-shutter, airport x-rays or other deus-ex-machina
> living-in-denial excuses.  Point this lens near the sun or
> strong light source and it will flare.  Not always of course,
> but when it does, it really does it big-time.
>

Another possibility is _camera_ flare, where the image of the bright light is just outside the field of view and is reflecting on some surface between the lens and the shutter.  In an SLR this area is called the mirror box - what is it called in a rangefinder?

Doug Herr
Birdman of Sacramento
http://www.wildlightphoto.com
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