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Canon RF 45mm f/1.2 STM
84 PixelMeter Score 22 reviews

Pros Pros
  • Compact and lightweight design
  • Versatile control ring and reliable autofocus
  • Highly affordable price point for an f/1.2 lens
  • Fast f/1.2 aperture for low light and background blur
  • Sharp center image quality
Cons Cons
  • Optical flaws including chromatic aberration and corner softness
  • Lacks weather sealing
  • Heavy reliance on digital corrections for distortion and vignetting
  • Lens hood not included
  • Noisy or slow autofocus performance

Launch price Launch price $469
Focal length & aperture Focal length & aperture 45mm f/1.2
Mount & coverage Mount & coverage Canon RF · Full-Frame
Stabilization Stabilization None
Close focus Close focus 45 cm (0.13x)
Filter thread Filter thread 67mm
Autofocus motor Autofocus motor STM
Weight & size Weight & size 346g (12.2 oz) · 78 x 75 mm (3.07 x 2.95 in)

Announcement date Announcement date November 6, 2025
Launch MSRP Launch MSRP $469
Lens mount Lens mount Canon RF
Image circle coverage Image circle coverage Full-Frame
Lens type Lens type Prime
Lens line / series Lens line / series RF

Elements Elements 9
Groups Groups 7
Special elements Special elements 1 PMo aspherical
Front fluorine coating Front fluorine coating No

Focal length (wide) Focal length (wide) 45mm
Focal length (tele) Focal length (tele) 45mm
Max aperture Max aperture f/1.2
Minimum aperture Minimum aperture f/16
Diaphragm blades Diaphragm blades 9

Diagonal angle of view Diagonal angle of view 51° - 20°

Autofocus motor Autofocus motor STM
Minimum focus distance Minimum focus distance 45 cm
Maximum magnification Maximum magnification 0.13x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) No
OIS rating OIS rating 8 stops

Aperture ring Aperture ring No
AF/MF switch AF/MF switch Yes

Weight Weight 346g (12.2 oz)
Maximum diameter Maximum diameter 78mm (3.07 in)
Length Length 75mm (2.95 in)
Filter thread Filter thread 67mm
Weather sealing Weather sealing Full weather sealing
Internal zoom Internal zoom Yes
Tripod collar Tripod collar Not supported

Lens hood Lens hood ES-73B, sold separately
Teleconverter compatibility Teleconverter compatibility Not supported