This is a manual for Canon EF85mm f/1.2L II USM lens, it is a high-performance mid-telephoto lens developed for EOS cameras. It is equipped with large-diameter, high-precision aspherical lens elements that can achieve f/1.2 brightness. This lens is suitable for portraits and other types of photos, making full use of the small background blur function of the large-diameter lens.
This manual explains safety precautions such as never looking at the sun through the lens and avoiding rapid temperature changes. It describes the lens components, installation and removal steps, focus distance markings, depth‑of‑field scale, and the use of the lens hood.
Additional sections cover the use of infrared film, recommended filters, extension tubes, and detailed technical specifications including aperture, filter size, minimum focusing distance, weight, and dimensions. This manual is written in Chinese.
| Maximum aperture | f/1.2 |
|---|---|
| Filter thread diameter | 72 mm |
| Minimum focusing distance | 0.95 m |
| Weight | 1025 g |
| Length (including caps) | 91.5 mm |
No. The manual warns not to look at the sun or bright light sources through the lens to avoid eye injury.
The lens has a 72 mm filter thread.
After manual focusing, rotate the focus ring until it aligns with the infrared indication mark.