Overview
Canons RF 45mm F1.2 STM lens offers a standard perspective for natural-looking images, with an ultra-fast f/1.2 aperture for creative depth of field control. The STM motor ensures smooth, fast, and quiet autofocus, while the compact and lightweight design makes it the first RF f/1.2 lens with autofocus weighing less than 400g. The lens also features a control ring for easy customisation, a 9-blade circular aperture for artistic bokeh, and a durable metal mount.
The RF 45mm F1.2 STM is a versatile and competitively priced option for photographers looking to explore new creative possibilities. With a super-fast f/1.2 maximum aperture, reliable autofocus, and a compact design, this lens is designed to deliver exceptional performance and stunning results. Whether youre shooting portraits, landscapes, or everyday scenes, the RF 45mm F1.2 STM offers the precision and control you need to take your photography to the next level.
Summary
Focal Length: 45mm
Max Aperture: F1.2
Lens Format: Full Frame
Lens Mount: Canon RF
Filter Thread: 67mm
Included in box
1x RF 45mm F1.2 STM
1x Lens Cap E-67II
1x Lens Dust Cap RF
1x Manual
About the Canon RF 45mm F1.2 STM
With its natural perspective, super-fast f/1.2 aperture and lightweight build, the RF 45MM F1.2 STM is unlike any other lens in the Canon RF range. Its ground breaking design offers depth-of-field control and creative freedom in low light, and it’s the first Canon RF f/1.2 autofocus lens to weigh under 400g. High-quality details – including a metal mount, 9-blade aperture and dedicated focus and control rings – make it a powerful, portable choice for photographers who value precision and expression without the professional price tag.
The RF 45mm F1.2 STM also has a convenient 67mm filter size and a minimum focusing distance of 45cm, giving creatives the freedom to fine-tune their results. This new lens also features a durable metal mount and is compatible with Canon’s focus breathing correction technology, all working together to deliver lasting performance and stunning results.
The RF 45MM F1.2 STM is a lightweight, competitively priced entry point into fast-aperture photography, and sits in Canon’s range of enthusiast RF lenses
Super-fast f/1.2 maximum aperture
Experience greater creative control with a low aperture lens that delivers beautifully shallow depth of field and brilliant low-light performance.
Take your photography further
Explore new ways of shooting using a lens that’s designed to deliver real value and brings advanced techniques and expressive images within easy reach.
Reliable autofocus for wide-aperture shots
Capture the moment with precision, even when working with a shallow depth of field. Canon’s STM AF technology stays locked on your subject, so you can focus on composition.
Compact 45mm prime lens for everyday use
A fast lens that won’t slow you down, the RF 45MM F1.2 STM is the first Canon RF f/1.2 lens weighing less than 400g. With its constant length and lightweight build, it’s a balanced choice for both photography and video.
Designed for versatile shooting
With separate focus and control rings, a convenient 67mm filter size and a minimum focusing distance of just 45cm, this versatile lens lets you fine-tune your vision and capture impressive detail up close.
Specialist build quality
Enjoy lasting performance thanks to a metal mount that securely connects to your EOS R System camera. Features include a 9-blade aperture, aspheric lens element, Super Spectra coating and focus breathing correction when used with a compatible camera.
Image size Full Frame
Angle of view(horzntl, vertl, diagnl) 49° 35′, 29° 50′, 51° 20′
Lens construction(elements/groups) 9/7
Special optics 1x PMo Aspherical
No. of diaphragm blades 9
Minimum aperture 16
Closest focusing distance(m) 0.45
Maximum magnification (x) 0.13
Control Ring Yes
Image stabilizer IBIS x OIS1 Center 8.0 stops
Corner 7.5 stops
AF actuator STM
Coatings Super Spectra
Fluorine No
PHYSICAL SPECIFICATIONS
Dust/moisture resistance 3 No
Filter diameter (mm) 67
Max. diameter x length (mm)2 78 x 75
Weight (g) 346
ACCESSORIES
Lens cap E-67II
Lens hood ES-73B
Lens case/pouch LP1116
Rear cap Lens Dust Cap RF
Extender Compatiblity Not Compatible
Footnotes:
[1] Tested under CIPA standards / CIPA-2024 standard (in the yaw/pitch directions at maxim um
focal length, with a specific camera)
[2] Lens dim ensions when in retracted state
[3] Lenses with dust/moisture resistance are fitted with a rubber ring on the lens mount which
may cause slight abrasion of the camera m ount. This in no way effects either the lens or
camera perform ance
45mm prime lens: A standard perspective for natural-looking images
f/1.2 prime lens: Ultra-fast and bright for creative depth of field control
STM motor: Delivers smooth, fast and quiet autofocus
Compact and lightweight: Canon’s first RF f/1.2 lens with autofocus weighing less than 400g
Control ring: Enjoy easy customisation and control over camera settings
9-blade circular aperture: For artistic bokeh and highlights
