Canon RF 45mm F1.2 is a Fixed aperture Auto Focus (AF)
Standard Prime lens with 35mm FF max sensor coverage, and it is designed to be used with
RF Mount cameras.
What type of photography is the Canon RF 45mm F1.2 lens good for?
The choice of photography type for which you intend to use the Canon RF 45mm F1.2 is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Canon RF 45mm F1.2 STM Lens
Here we've included a summary of the advantages and disadvantages of the Canon RF 45mm F1.2 STM lens in a list form to assist you in determining whether it offers the features you need.
| Autofocus |
| AF/MF Switch on Lens |
| Focus Range Limiter |
| Programmable Control Ring |
| Very Fast Aperture |
| Covers Full-Frame Sensor |
| 9 Diaphragm Blades for Smooth Bokeh |
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Buy Canon RF 45mm F1.2 from Amazon or B&H PHOTO
| No Weather Sealing |
| Hood is not supplied |
Lens Mount
Canon RF 45mm F1.2 is compatible with cameras that have a Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V, Canon R6 III and Canon C50.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Canon RF 45mm F1.2 has a maximum diameter of 78mm and a total length of 75mm. It weighs 346g / 12.2 oz.
Check the size of the Canon RF 45mm F1.2 when attached to RF Mount cameras:
Canon RF 45mm F1.2 Size with RF Mount Cameras
Canon RF 45mm F1.2 has a filter thread of 67mm. Below are links to the filters that we recommend you to consider for your Canon RF 45mm F1.2:
You can also check All Canon RF Mount Lenses with 67mm Filter Thread Size to find the matching lenses.
Focal Range
Canon RF 45mm F1.2 has a fixed focal length of 45mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 72mm.
Optical Image Stabilization
Canon RF 45mm F1.2 doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Maximum Magnification Ratio
Canon RF 45mm F1.2 has a Max Magnification Ratio of 0.13x with a minimum focusing distance of 0.45m. 0.13x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Below are the 3 Standard Prime type Canon RF mount lens alternatives with highest max magnification ratios:
Aperture
The Canon RF 45mm F1.2 STM features a maximum aperture of F1.2 and can be stopped down to a minimum aperture of F16. With an exceptionally wide F1.2 maximum aperture, this lens excels in challenging low-light environments, letting you shoot at lower ISO speeds to keep images clean and noise-free. At 45mm, this lens provides a natural perspective, and opening up to F1.2 offers clean background separation for typical everyday shooting. Stopping down to F16 gives you plenty of sweep for landscapes or outdoor group shots where you need everything sharp from front to back.
Optical Formula
Canon RF 45mm F1.2's optical formula consists of 9 elements in 7 groups . Special elements used in this design is 1 aspherical.
Lens Hood
Canon RF 45mm F1.2 doesn't come with a lens hood. You have to order the hood separately and the model number of the hood is ES-73B.
Body Colour
Canon RF 45mm F1.2 is available in Black color.
Popular Comparisons of Canon RF 45mm F1.2
Here are the 8 most popular comparisons of the Canon RF 45mm F1.2 amongst Camera Decision readers.
Top Alternatives of Canon RF 45mm F1.2 Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Canon RF 45mm F1.2 STM.
Top Alternatives of Canon RF 45mm F1.2 in Other Lens Mounts
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