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Targeted – Makes the Corona Camera targeted.

Horizon line – Enables/disables Horizon line.

Target distance – Defines the distance from the camera to the target.

Icon Size – The size of the camera origin icon in the viewport, relative to the default size (1.0).

Show cone:

Always – Always shows the camera cone.
Never – Never shows the camera cone.
When selected – Shows the camera cone only when camere is seleceted.

Depth of field can be easily toggled on and off from the Corona Camera’s UI, and the focus can be set by picking any object in the scene using the Override focus > Object option. The selected object’s pivot will be used to determine the position of the focus point. This is especially useful if the focus should be locked on a moving object during animation.

Motion Blur

Camera – Enables the motion blur due to camera movements. For a complete motion blur solution, you need to enable geometry motion blur as well.

Geometry – Enables motion blur due to the movement of scene geometry. For a complete motion blur solution, you need to enable camera motion blur as well.

Shutter Curve – Allows to control Motion Blur by using a shutter curve.

Edit – Opens Corona Curve Editor.

For more information please check Camera Motion Blur Shutter Curve.

Depth of Field

Enable – Enables DOF effect.

Override focus – By default, the camera always focuses on its target distance. This override lets you specify another focusing method - either a distance separate from the target distance or focusing on another object pivot.

Value – Defines the focus target distance.

Object – Helper node, position of which specifies the focal plane of the camera. Useful to keep the camera focused on the given object. 

Aperture Shape

Override – Overrides the global Corona Render Settings related to DOF Bokeh with local camera values.

Circular – Sets the aperture shape that influences the out-of-focus blur called bokeh to the circular aperture.

Bladed – A polygonal aperture with a given number of sides (blades).

Blade count – Number of blades used for the DOF effect shape.

Rotation – Rotation offset of the DOF bokeh shape.

Custom – A custom aperture shape defined by a text map.

Affect exposure – The custom aperture may let through less or more light that a circular aperture. When this option is enabled, the exposure is adjusted accordingly; when disabled, the exposure stays unaffected by the aperture shape.

Advanced Effects

Center bias – Biases the lens transparent either towards the center or the edge of the aperture. Positive values created a ring effect; negative values create a sparkle effect.

Vignetting –Simulates the 'Cat eye' effect. typically prevalent on wide-angle lenses. Affects both the bokeh shape and the exposure (vignetting) near the image corners.

Anisotropy – Affects the aspects ration of the bokeh. If greater than 0, the bokeh is stretched horizontally, if lower than 0, the bokeh is stretched vertically.

Automatic vertical tilt – Automatically sets the Vertical Tilt parameter to keep vertical lines straight and unaffected by perspective when the camera is looking up or down.

Type – Projection type of the camera: orthographic, perspective, spherical 360°, cylindrical 360°, cube map 360°, fisheye.

Vertical FOV [°] – Defines the degree of vertical field of view.

Ortho view size – Width of the orthogonal camera field of view in world units.

Ortho view in infinity – If set to true, the camera is considered to have originated in infinity. This means that all objects that fit in the camera's field of view will be visible no matter if they are behind or in front of the camera.

Fisheye

Field of view [°] – Field of view of the fisheye camera, captured by image circle.

Limit render to FOV – If true, all pixels outside of the selected field of view are rendered as black.

Projection – Specifies a projection of the fisheye camera:

Equidistant – Does not stretch objects in radial axis (along the line from image center to its edge). Most typical fisheye lens type.
Equi-solid angle – An object moving from the center of the camera to the edge gets distorted but maintains the same area in the renderer image.
Orthographic – Better preserves the center of the image at a cost of more distorting its edges. Typical door peephole lens.
Stereographic – Objects retain their general shape even near the edge of the image.

Cropping – Determines what part of the image circle is captured in the rendered image.

Virtual reality (stereo) – If enabled, two images (for left/right eyes) are rendered at the same time in the space of the selected render resolution. The resulting image can be loaded into the Samsung Gear VR or other virtual reality gadgets.

Eye separation – Thedistance between the left and right eye.

Eye front offset – The distance the eyes are shifted forward from the vertical axis rotation. There is usually no need to change this parameter.

Converge eyes – If on, the eye directions meet at some finite distance (as if they were looking at an object in that distance). If off, the eyes are perfectly parallel. The distance at which the eyes converge (where the center lines of their direction of view meet). This should be the average distance to walls in the scene. When in doubt, prefer larger values to smaller as they usually work better.

Cubic Account – Uses negative values to create a pincushion distortion (image center is ''zoomed out'') and positive values to create a barrel distortion (image center is ''zoomed in''). The default value of 0 produces no distortion.

Texture – Allows loading a map for distortion.

Camera clipping

Enable – Enables camera clipping - only objects between the minimum and maximum distance are visible when looking through the camera both in the viewport and in rendering.

Show in viewport – Shows the clipping frame in the viewport.

Near – Only surfaces beyond this distance are visible through the camera.

Far – Only surfaces closer than this distance are visible through the camera

Environment Ranges

Show in viewport – Shows the environment range in the viewport.

Near/Far – Controls the eds Max Environment range. This is used for example by the 3ds Max native Fog effect and to set Z-Depth to render element range.

Camera physical size

Show in viewport – shows camera phisical size in viewport.

Size – Determines the physical size of the camera lenses. With the default value of 0, the camera will always either be competely inside a medium or competely outside of it. In order to render image which is partly in a medium and partly outside of it (e.g. an image that shows both above water and under water parts of the scene), you must set the physical size in such a way that a box of this size centered in the camera origin overlaps the boundary of the medium (e.g. the surface of the water). This imaginary box can also be seen as an objects with a slicer material that removes the part of the medium surrounding the camera.