# Camera Layout and Installation

## Camera Layout

Optical camera layouts are selected based upon the features that are used to detect the part pose, how those features are distributed within the part, their sizes, the expected variation in feature locations and the application accuracy requirements.

Here are some typical camera layouts for single camera station, multiple camera station as well as multiple stations.

## Camera Installation

Cognex Checkerboard Calibration technology makes it unnecessary to precisely mount cameras.

The following best practices are suggested:

- Camera optical axes be parallel to each other (within ±5°)
- Camera optical axes be perpendicular to the calibration plane (within ±5°)

- Cameras be rigidly mounted to the robot/machine base
- Cameras not be subjected to vibration; avoid mounting vibration sources (fans, motors) to cell

The Following Are Allowed:

1. Cameras can have different resolutions
2. Cameras can use different lenses
3. Cameras can be mounted at any rotation around the Z-axis
4. Any number of mirrors may be in the optical path