This is a Canon EF zoom lens user manual, which introduces the composition, safety precautions, usage precautions, installation and disassembly of the lens, setting the focus mode, zooming and aperture settings.
This manual covers important safety precautions such as never pointing the lens at the sun or bright light sources, and explains how to switch between autofocus (AF) and manual focus (MF) modes. It also details proper lens installation, removal, and care, including how to attach the lens hood and use filters.
Additional sections describe aperture settings that are automatically read by the camera, specifications of the lens (focal length, maximum aperture, filter thread, weight), and recommended accessories like lens hoods and polarizing filters. This manual is written in Chinese.
| Focal length | 55-200mm |
|---|---|
| Maximum aperture | f/4.5-5.6 |