This document is the user manual for Canon EF135mm f/2.8 lens. The lens features a soft focus mechanism and includes information on safety precautions, usage instructions, lens installation and removal, setting focus mode, setting soft focus level, focusing, depth of field scale, and infrared index mark.
This manual explains safety precautions, proper handling, and operation of the Canon EF135mm f/2.8 soft‑focus lens. It covers installation, focus mode selection, soft‑focus adjustment, depth‑of‑field scale usage, and accessories such as filters and infrared markers.
A full specifications table lists focal length, aperture range, lens construction, minimum focusing distance, magnification, filter thread size, dimensions, weight and other key parameters for photographers. This manual is written in Chinese.
| Focal length / aperture | 135 mm, f/2.8 |
|---|---|
| Lens construction | 6 groups |
| Minimum aperture | f/32 |
| Minimum focusing distance | 1.3 m |
| Maximum magnification | 0.12× |
| Filter thread diameter | 52 mm |
| Weight | 390 g |
Do not look at the sun or other bright light sources through the lens, as it can damage your eyes.
The minimum focusing distance is 1.3 meters.