The Canon EF100mm f/2.8 MACRO USM is a macro lens specifically designed for Canon EOS cameras, capable of normal shooting and 1x magnification macro photography. It features three-group floating system, ultrasonic motor (USM) for high-speed and silent autofocus, and compatibility with Canon macro flash.
This manual explains safety precautions, lens installation, focus mode selection, and proper use of the macro flash and shading ring. It also covers exposure considerations when shooting at close distances.
Technical specifications such as focal length, aperture, lens construction, and minimum focusing distance are listed, along with the lens’s physical dimensions and country of origin. This manual is written in Chinese.
| Focal length | 100 mm |
|---|---|
| Lens construction | 8 groups, 12 elements |
| Dimensions (L×W×H) | 78.6 x 118.6 mm |
Set the focus mode switch to AF.
Align the arrow on the shading ring with the lens marking and rotate clockwise to fix it.