| Abbreviation | Definition |
|---|---|
| AOV | Angle of View |
| APAG | American Photography Archives Group |
| APE | Aviation Photographers Enthusiasts |
| APF | Art Photo Feature |
| APG | Atlanta Photography Group |
| APIS | Alternative Photography International Symposium |
| APM | Aviation Photography Of Mexico |
| APML | Archivesastro Photography Mailing List |
| APML | Astro Photography Mailing List |
| APPA | Australian Professional Photography Awards |
| APPM | Associated Press Photo Manager |
| APS | Automatic Point and Shoot |
| APT | Astro Photography Tool |
| APTP | Action-Pro TriPod |
| ATPI | Association of Texas Photography Instructors |
| AU | Aperture Unit |
| AV | Aperture Value |
| AWB | Auto White Balance |
| B&W | black and white |
| BC | Before Cameras |