Instructions ENG
Thank you for purchasing a Canon product. Canon RF50mm F1.2 L USM is a large aperture standard lens for use with EOS R series cameras. ●● “USM” stands for Ultrasonic Motor. Camera Firmware Please use the latest version of firmware with the camera in use. For details on whether the firmware is the latest version or not, and for details on updating the firmware, please check the Canon website. Conventions used in these instructions Warning to prevent lens or camera malfunction or damage.
Safety Precautions Precautions to ensure that the camera is used safely. Read these precautions thoroughly. Make sure all details are observed in order to prevent risks and injury to the user and other people. Warning Details pertaining to risks that may result in death or serious injury. Caution Details pertaining to risks that may result in damage to property. ● Do not leave the product in excessive heat such as in a car in direct sunlight. High temperatures can cause the product to malfunction.
General Precautions Handling Precautions ● This lens needs to have Canon filters attached to achieve its dust-resistance and water-resistance performance. ● If the lens is taken from a cold environment into a warm one, condensation may develop on the lens surface and internal parts. To prevent condensation in this case, first put the lens into an airtight plastic bag before taking it from a cold to warm environment. Then take out the lens after it has warmed gradually.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Do not make any changes or modifications to the equipment unless otherwise specified in the instructions. If such changes or modifications should be made, you could be required to stop operation of the equipment.
Nomenclature Focus mode switch (→ 7) Focusing ring (→ 7) Hood mount (→ 9) Filter mounting thread (→ 10) Rubber ring (→ 6) Control ring (→ 8) Focusing distance range selector switch (→ 8) Lens mount index (→ 6) Contacts (→ 6) Lens mount (→ 6) ●● For detailed information, reference page numbers are provided in parentheses (→ **).
1. Attaching and Detaching the Lens Lens mount index Lens release button Dust cap Attaching the Lens Align the lens mount indexes of the lens and camera, and turn the lens clockwise until you hear a click. Detaching the Lens Turn the lens counterclockwise while pressing the camera’s lens release button. Detach the lens once it has stopped turning. ●● Set the camera’s power switch to OFF when attaching or detaching the lens. ●● Attach the lens cap before detaching the lens from the camera.
2. Setting the Focus Mode Focus mode switch Focusing ring ●● Quickly turning the focusing ring may result in delayed focus. ●● The lens’ focusing ring is electronic. ●● When AF operation is set to [ONE SHOT], manual focus is possible after autofocusing has been completed by continuing to press the shutter button halfway. (Full-time manual focus) However, the camera settings need to be changed. To shoot in autofocus (AF) mode, set the focus mode switch to AF.
3. Setting the Focusing Distance Range 4. Control Ring The control ring can be assigned the functions that are commonly used with cameras, such as shutter speed and aperture settings. Focusing distance range selector switch You can set the focusing distance range with a switch. By setting a suitable focusing distance range, the actual autofocusing time will be shorter. Focusing distance range 1. FULL (0.4 m/1.31 ft. - ∞) 2. 0.8 m/2.62 ft.
5. Hood The custom lens hood cuts out unwanted light and protects the front of the lens from rain, snow, and dust. Attachment position mark Red dot Button Red dot Red dot Attachment position mark Stop position mark ●Attaching the Hood Align the red attachment position mark on the hood with the red dot on the front of the lens, and then turn the hood in the direction of the arrow until you hear a click.
6. Filters (Sold separately) You can attach filters to the filter mounting thread on the front of the lens. ●● Attach Canon filters (Canon PROTECT filter, etc.) to achieve its dust-resistance and waterresistance performance. ●● Only one filter may be attached. ●● If you need a polarizing filter, use the Canon Circular Polarizing Filter PL-C B. ●● Detach the hood when adjusting the polarizing filter. 7. Close-up Lenses (Sold separately) Attaching a 500D Close-up Lens enables closeup photography.
Specifications Focal Length/Aperture Lens Construction Minimum Aperture Angle of View Min. Focusing Distance Max. Magnification Field of View Filter Diameter Max. Diameter and Length Weight Hood Lens Cap Case 50mm f/1.2 9 groups, 15 elements f/16 Horizontal: 40°, Vertical: 27°, Diagonal: 46° 0.4 m/1.31 ft. 0.19x Approx. 186 x 123 mm/7.32 x 4.84 in. (at 0.4 m/1.31 ft.) 77 mm 89.8 x 108 mm/3.54 x 4.25 in. Approx. 950 g/33.5 oz.
CT1-D044-A 0818Ni © CANON INC.
