Thin Lens

When you select Thin Lens as the camera type in the Render Target's Main tab, the following parameters are available in the TL Camera tab (Figure 1).

Figure 1: The Thin Lens camera parameters

Thin Lens Camera Parameters

Distortion

This adjusts the spherical and cylindrical distortion. The rendered image displays the entire sphere and uses equidistant cylindrical projection.

Perspective Correction

If the camera's up direction in the scene is vertical, enabling this option keeps vertical lines parallel.

Auto-Focus

If enabled, focus is kept on the closest visible surface at the center of the image, regardless of the ApertureDetermines how much light enters a camera lens. A large aperture produces a narrow depth of field and a small aperture produces a wide depth of field., Aperture Edge, and Focal Depth values.

Aperture Aspect Ratio

Squash or stretch the depth-of-field disc.

Aperture Edge

This controls aperture edge detection at all points within the aperture. Lower values give more pronounced edges to out-of-focus objects affected by a shallow depth-of-field. Aperture Edge modifies the bokeh effect of the depth-of-field. High values increase the contrast towards the edge.

Bokeh Side Count

The number of edges that make up the bokeh shape.

Bokeh Rotation

The bokeh shape's orientation.

Bokeh Roundedness

Determines the roundness of the bokeh edges.

Stereo Output

This specifies the output rendered in stereo.

Left - Renders the left eye's image.
Right - Renders the right eye's image.
Side-By-Side - Renders the scene as a pair of two-dimensional images.
Anaglyphic - When active, the render can be viewed with red/blue 3D glasses.
Over-Under - The pair of two dimensional images is placed on top of each other for special viewers.

Stereo Mode

Choose Off-Axis or Parallel stereo camera projections.

Eye Distance

The distance between the left and the right eye in stereo mode, measured in meters. The stereo distance is also referred to as the IPD (interpupillary distance), or stereo interocular distance or eye distance. For realistic depth, use values between 0.055 and 0.075.

Swap Eyes

Swaps the left and right eyes in the rendering.

Left/Right Stereo Filter

The left and right filter colors adjust the colors for the anaglyphic stereo effect in the render.

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