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Canon RF 20-50mm f/4L IS USM PZ vs Canon RF 45mm f/1.2 STM

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Optics
Focal Length
20-50mm
45mm
Zoom Ratio
2.5x
-
Max Aperture
f/4
f/1.2
Min Aperture
f/22
f/16
Elements / Groups
13 / 11
9 / 7
Special Elements
3 UD glass elements; 2 aspheric elements
-
Coatings
Super Spectra Coating (SSC); Air Sphere Coating (ASC) on inner front element; Fluorine coating on front element
-
Diaphragm Blades
9
7
Max Magnification
0.33x
0.13x
Focus
Min Focus Dist.
24cm
45cm
Autofocus
AF Motor Type
Nano USM
STM
Focus Method
internal
-
Full-time Manual
Distance Scale
Focus Limiter
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Physical
Lens Mount
Canon RF
Canon RF
Weight
420 g
346 g
Dimensions (D x L)
80 x 98 mm
78 x 75 mm
Filter Thread
67 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
Internal
-
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
1
0
Color
Black
Black
General
Launch Price
USD 1399
USD 470
Announce Date
May 13, 2026
Nov 6, 2025
Sensor Format
Full Frame
Full Frame
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