PanoTools NG:
Re: Re: Canon 5D MKII
Fernando Chaves 2012-Mar-18 00:38:04
On Sat, March 17, 2012 7:08 pm, Erik Krause wrote:
> Am 17.03.2012 22:48, schrieb Hans:
>> Much of the problems with uneven exposure which you had on the first
>> Leicas from 1925 are still the same, especially when you do
>> Gigapixel panos you will figure out that the blender can not cope
>> with even the slightest change in exposure from left to right side. A
>> difference of 2-3 % is enough to give PTGui problems if you have too
>> little overlap.
>
> That's all too true. And a good reason not to use too short exposure
> times. The more time the shutter stays open, the less is the influence
> of uneven shutter movement.
>
> But of course it's a pity that the vignetting correction model can't
> cope with this kind of uneven lighting. Should be possible though, much
> the same like vignetting correction works, too...
>
> --
> Erik Krause
> http://www.erik-krause.de
Hi,
This may help fix uneven shutter speed:
http://www.rmimaging.com/equalight.html
Best regards,
Fernando
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