Units for focal length and principal point
| Constant | Value | Description |
|---|---|---|
| esriFrameCameraUnitsCentimeters | 0 | Centimeters is the unit of measurement. |
| esriFrameCameraUnitsDecimeters | 1 | Decimeters is the unit of measurement. |
| esriFrameCameraUnitsMillimeters | 2 | Millimeters is the unit of measurement. |
| esriFrameCameraUnitsMicrons | 3 | Microns is the unit of measurement. |