camera {
look_at < X , Y , Z
>
perspective | orthographic
| fisheye | ultra_wide_angle | omnimax | panoramic | cylinder 1 2 3 4
right < 1.33 , 0 , 0 >
up < 0 , 1 , 0>
direction < 1 , 0 , 0 >
sky < 0 , 1 , 0 >
angle float
blur_samples float
aperture float
focal_point < X , Y, Z >
confidence
variance
look_at < X , Y , Z >
normal { PATTERN }
}