| AF | Auto Focus |
| ASP | Aspherical lenses. Provides distortion-free images with image reproduction performance equivalent to that of a single focal length lens. Aspherical lenses allow the production of high-quality images from compact, lightweight telephoto zoom lenses. |
| 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. |
| RF | Rear Focus. This lens is equipped with a system that moves the rear lens group for highspeed, silent focusing. |