Hello David,

http://www.flickr.com/photos/[EMAIL PROTECTED]/
>>
>> This is a series of pictures of a white piece of tissue used to wrap a
>> Christmas gift.  Light was natural, white balance manually set.   
>> Updated
>> firmware.  Obviously, many of these are 1 or 2 stops underexposed,  
>> but,
>> I was startled at the bands of color (green to the left, magenta to  
>> the
>> right).  


I have tried everything  to produce the artefacts you got, but no luck...:)

The 'best' two:  (165k)

www.skiboy.com/fiso/underexpos1.jpg


k10d, supertak M 1.8/55  iso 100

normal daylight through the window,  underexposed.


Or with iso 1600, all the same settings:  (195k)

www.skiboy.com/fiso/underexpos2.jpg


-- 
Best regards,
 Fiso                          mailto:[EMAIL PROTECTED]


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