Key facts
- Brand
- Canon
- Model
- EF50MM
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-03-20
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Canon EF 50mm f/1.2L USM Lens User Manual
This manual explains how to safely handle the EF 50mm f/1.2L USM lens, including precautions for temperature changes, cleaning of electronic contacts, and protection against dust and water. It also describes the lens features such as the ultrasonic motor (USM) and the circular aperture for smooth background blur.
Detailed sections cover lens installation, focus mode switching, infinity distance marking, infrared indicator usage for special film, and recommended accessories like the 72 mm protective filter and the ES‑78 hood. Technical specifications such as minimum aperture, closest focusing distance, magnification, filter size, dimensions and weight are listed at the end. This manual is written in Chinese.
Canon EF50MM specifications
| Maximum diameter and length | 68.2 x 41 mm |
|---|---|
| Weight | 130 g |
| Maximum magnification distance | 0.45 m |
All Canon EF50MM documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How should I clean the electronic contacts on the lens?
If the electronic contacts are dirty or have fingerprints, wipe them with a soft cloth.
How do I attach the ES‑62 lens hood?
Screw the hood adapter onto the lens’s filter thread, then attach the hood, aligning the O mark on the hood with the lens’s installation mark.
What does the “USM” designation mean?
USM indicates that the lens is equipped with an ultrasonic motor for fast and silent autofocus.