| AF | Auto Focus |
| APO | APO Lens. APO lens has been made using special low-dispersion (SLD) glass and is designed to minimize color aberration. |
| CONV | APO Teleconverter EX. This lens can be used with the APO Teleconverter EX. It can increase the focal length and will interface with the camera's AE (automatic exposure) function. |
| EX | The exterior of this lens is EX-finished to denote the superior build and optical quality, and to enhance its appearance. |
| HSM | Hyper-Sonic Motor. This lens uses a motor driven by ultrasonic waves to provide a quiet, highspeed AF. |
| IF | Inner Focus. This lens moves the inner lens group or groups without changing the lens' physical length. |