| DX | Indicates a lens designed to cover the smaller image circle of the digital camera bodies. May still work on 35mm bodies at some focal lengths. |
| G | No apperture ring. Thus needs to be used on camera with Command dial control of apertures. With some older cameras (N90s, for example), can be used in Program or Shutter-priority exposure mode, though. |
| AF | Auto Focus |
| D | Distance Information. Adds distance information to the data transmitted to the camera via chip. Distinguished by the D or G after the lens designation |
| ED | Extra Low Dispersion Glass. Enable the production of lenses that offer superior sharpness and color correction by minimizing chromatic aberration. |