Canon RF 50mm f/1.2 L USM
Ultra-Fast Normal Prime Lens
Key Features
RF-Mount
Full-frame mirrorless
f/1.2 Aperture
f/1.2 to f/16 range
Advanced Optics
UD + Aspherical elements
USM Autofocus
Ring-type ultrasonic motor
Control Ring
Customizable function
10-Blade Diaphragm
Rounded for smooth bokeh
Optical Excellence
The Canon RF 50mm f/1.2 L USM stands as a masterpiece of optical engineering, combining an exceptionally bright f/1.2 maximum aperture with advanced lens elements to deliver stunning image quality. This normal-length prime excels in low-light conditions while offering unparalleled control over depth of field for creative selective focus applications. The optical design incorporates both Ultra-Low Dispersion (UD) and aspherical elements to minimize aberrations and ensure exceptional sharpness across the frame.
f/1.2 Maximum Aperture
The ultra-fast f/1.2 aperture provides three key benefits:
- Exceptional low-light performance for shooting in challenging conditions
- Extremely shallow depth of field for creative isolation of subjects
- Beautiful bokeh quality with smooth out-of-focus areas
The rounded 10-blade diaphragm maintains circular bokeh even when stopped down to f/16, ensuring pleasing background rendering throughout the aperture range.
Advanced Optical Design
The lens incorporates specialized elements to combat optical aberrations:
- Ultra-Low Dispersion (UD) element reduces chromatic aberrations and color fringing
- Aspherical element corrects spherical aberrations and distortion
- Precise lens coatings minimize flare and ghosting
This combination delivers exceptional sharpness, clarity, and color accuracy from edge to edge.
Ring-Type USM Autofocus
The lens features Canon's advanced Ring-Type Ultrasonic Motor (USM) for:
- Fast, near-silent autofocus performance
- Precise focus tracking for both stills and video
- Full-time manual focus override without switching modes
- Optimized focusing algorithms for smooth transitions
Customizable Control Ring
The integrated control ring offers intuitive access to key settings:
- Adjust aperture, ISO, or exposure compensation directly from the lens
- Tactile feedback for precise adjustments
- Customizable through camera menu
- Ergonomic placement for seamless operation
L-Series Build Quality
As part of Canon's professional L-series lineup, this lens features:
- Dust- and moisture-resistant construction
- Robust metal lens mount
- Fluorine coating on front element for easy cleaning
- Precision engineering for consistent performance
- Distinctive red ring marking
Technical Specifications
Focal Length: 50mm
Aperture Range: f/1.2-f/16
Lens Mount: Canon RF
Format: Full-Frame
Elements/Groups: 15/9
Special Elements: 1 UD, 1 Aspherical
Diaphragm Blades: 10 (rounded)
Focus Motor: Ring-Type USM
Min. Focus Distance: 1.31' (0.4m)
Filter Size: 77mm
Golden Tip: Protect Your Lens for Less!
The Haida UV filter offers you outstanding protection at an excellent price. It not only shields your lens from scratches, dust, and moisture but also maintains image quality without noticeable impact. A small investment that extends your lens’s life and keeps your shots crystal clear in all conditions.
