Fast aperture, High Impact
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 groundbreaking 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.
Features and benefits
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.
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.
Top Feature icons
• 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