Enable Depth of Field

Activates the features

f/stop 

The f/stop of the camera being used. In photography, f/stops usually define discrete steps (because of click-stopped apertures), each step represents a halving of the light intensity from the previous stop. In 3Delight for Softimage an f-stop can be any scalar, so a more accurate naming for this parameter would be f-number.

Focal Length
Focal Distance

Focal length and focal distance of the lens being used.

Get Focal Distance From Camera 

When this option is on, the Focal Distance is determined from the camera center interest.

Extreme Motion Blur and DOF 

When rendering effects with extreme motion blur and depth of field, the su- persampling as specified in Oversampling (see Quality) might not be enough to produce smooth images. This parameter lets the user control an alternate sampling algorithm that is well suited for this problematic case. The value specified here dictates the number of iterations of that specific algorithm and a value of 1 is generally enough to produce smooth results.

Enable Polygonal Aperture 

This feature makes it possible to render depth of field effects (defocus) produced by many commercial cameras which rely on moving ’blades’ to close and open the aperture.

Number of Blades 

Specifies the total number of blades in the aperture mechanism.

Rotation 

Specifies the angle, in degrees, by witch the aperture blades are rotated.

Aperture Rotation

Specifies the angle, in degrees, by witch the aperture blades are rotated.


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