The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 45mm F1.2 and the Canon EF 35mm F1.4L II USM for their suitability to various photography scenarios:
Size and Weight Comparison The size of a lens is a crucial factor to consider when comparing two lenses. Canon EF 35mm F1.4L II USM is the longer of the two lenses at 106mm. The Canon RF 45mm F1.2 with a length of 75mm, is 31mm shorter. Besides being longer, the Canon EF 35mm F1.4L II USM also has a larger diameter of 80mm compared to the Canon RF 45mm F1.2's 78mm diameter.
Below you can find a scaled side-by-side image of Canon RF 45mm F1.2 and Canon EF 35mm F1.4L II USM to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 45mm F1.2 and the Canon EF 35mm F1.4L II USM Size and Weight The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Canon RF 45mm F1.2 weighs 346g, which means it is 414g (54%) lighter than the Canon EF 35mm F1.4L II USM which has a weight of 760g.
Filter Threads
The Canon RF 45mm F1.2 has a filter size of 67mm whereas the Canon EF 35mm F1.4L II USM has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Canon RF 45mm F1.2:
And these are the 72mm filters that we recommend for the Canon EF 35mm F1.4L II USM:
Lens Mounts
The Canon RF 45mm F1.2 has the Canon RF lens mount whereas the Canon EF 35mm F1.4L II USM has the Canon EF lens mount . Some of the latest released cameras that are compatible with these mounts are Canon R6 V , Canon R6 III and Canon C50 for the Canon RF Mount and Blackmagic URSA 12K LF , Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Focal Range
Canon RF 45mm F1.2 is a prime lens with fixed focal lenght of 45mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
72mm .
On the other hand, the Canon EF 35mm F1.4L II USM is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 56mm .
