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 RF 35mm F1.8 IS STM Macro 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 RF 45mm F1.2 is the longer of the two lenses at 75mm. The Canon RF 35mm F1.8 IS STM Macro with a length of 63mm, is 12mm shorter. Besides being longer, the Canon RF 45mm F1.2 also has a larger diameter of 78mm compared to the Canon RF 35mm F1.8 IS STM Macro's 74mm diameter.
Below you can find a scaled side-by-side image of Canon RF 45mm F1.2 and Canon RF 35mm F1.8 IS STM Macro 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 RF 35mm F1.8 IS STM Macro 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 35mm F1.8 IS STM Macro weighs 305g, 11% (41g) lighter than the Canon RF 45mm F1.2's weight of 346g.
Filter Threads
The Canon RF 45mm F1.2 has a filter size of 67mm whereas the Canon RF 35mm F1.8 IS STM Macro has a 52mm 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 52mm filters that we recommend for the Canon RF 35mm F1.8 IS STM Macro:
Lens Mounts
Both the Canon RF 45mm F1.2 and the Canon RF 35mm F1.8 IS STM Macro has the same 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 .
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 RF 35mm F1.8 IS STM Macro 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 .
