Thomas de Groot <tho### [at] degrootorg> wrote:
> On 29-3-2016 5:54, Lsq wrote:
> > Hi,I have studied this soft for several days and have 2 questions:
> >
> > 1、which keyword is used to set the focus of perspective model carema?
> > look_at?direction? or others?
> > 2、Besides，when one focus of the carema is set,how can we ensure
> > that the objects of the image is clear under this focus?
> >
> > I'm confused about this.Could anyone help me? Thanks!
> >
> >
>
> Welcome to the club!
>
> I suppose you are talking about focal blur and depth of field like in a
> Real Life camera. Basically, the cameras in POV-Ray are pinpoint
> cameras, i.e. they do not have a lens for focussing. As a result the
> scene is always sharp from foreground to background.
>
> However, focal blur (or depth of field) can be simulated in POV-Ray. The
> best you can do presently imo, is to play with the example camera scenes
> that are present in the scenes/camera folder of POV-Ray. You will find
> there the focalblur.pov scene which you can use, besides all the other
> camera types of course.
>
> --
> Thomas

Thanks a lot.I have found the focalblur.pov in the help file following your
advice~

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