Photo distortion question

[Andrew Tarpinian]

Cool, thanks everyone, I just wanted to make sure it was not a "digital" screw up, and something I was doing that I should avoid. Yea have a filter, mostly to just protect the lens, it can be such a pain in the ass sometimes though with reflections.

On Dec 14, 2010, at 5:23 AM, Martin Naef wrote:

> Still makes sense to me. Remember that the camera can "look around the 
> corners" on the out-of-focus regions - the amount of which is defined by 
> the aperture. (This also explains why it's impossible to achieve perfect 
> depth-of-field simulation as a post-process if all you have is a 2D 
> image with depth). What you see in the photo really is part of the dark 
> side of the glass, resulting in the dark "halo". How much you see of the 
> "dark side" depends on the focal plane.
> 
> There are a few internal reflections that you can see in the video (did 
> you use a UV filter?), but I don't think they have anything to do with 
> the dark halo that you're wondering about.
> 
> Martin
> 
> 
> On 14.12.2010 10:52, Andrew Tarpinian wrote:
>> Ok check this out, video of the same shot more or less, look what
>> happens on the right side when the focus changes, that same thing is
>> what I think is going on in the still image.
>> 
>> http://www.polaritydesign.com/photos/amsterdamfocus.mp4
>> 
>> On Dec 14, 2010, at 4:09 AM, Martin Naef wrote:
>> 
>>> On 14.12.2010 06:43, Andrew Tarpinian wrote:
>>>> http://www.polaritydesign.com/photos/amsterdamfocus.jpg
>>>> 
>>>> Any idea what is the cause of that separation on the right side of the
>>>> candle holder and the orange background lights? Is it a lens or a camera
>>>> thing?
>>> 
>>> My bet is also on the material property of the glass. At that angle,
>>> there is probably no light being scattered to the camera from the candle
>>> inside. So the only potential light sources would come from outside -
>>> but there probably isn't any lamp to the right, and nothing bright that
>>> could be reflected. There is obviously a bright source on the left side,
>>> hence you don't see the effect there.
>> 
>> 
>> 
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