On 10-7-2015 7:19, Pekka Aho wrote:
> Alain <kua### [at] videotronca> wrote:
>>
>> It's usualy best, and recomended, to use the same value for look_at and
>> focal_point.
>
> I admit it wouldn't be the first time for me having a rather obscure way of
> seeing and understanding common things, but personally I've just always found it
> important for the scene to fine-tune look_at and focal_point independently to
> get the camera angle as desired and furthermore to have the blur in the correct
> point. My own recommendation would thus be that it certainly depends on what you
> are having in the scene and what you want to emphasize. :)
>

I agree with this. It is identical to the use of a traditional camera: 
focus on a certain object (aka focal_point), half-press the shutter, 
then compose the scene (aka look_at), finally press the shutter completely.


-- 
Thomas

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