The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 100mm F2.8L Macro IS and the Canon RF 85mm F1.2L USM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Canon RF 100mm F2.8L Macro IS is the longer of the two lenses at 148mm. The Canon RF 85mm F1.2L USM with a length of 117mm is 31mm shorter. On the other hand, the Canon RF 85mm F1.2L USM has a larger diameter of 103mm compared to Canon RF 100mm F2.8L Macro IS's 82mm diameter.
Below you can find the scaled side by side image of Canon RF 100mm F2.8L Macro IS and Canon RF 85mm F1.2L USM to get a better idea of how their size compare in real life.
Comparison image of Canon RF 100mm F2.8L Macro IS and Canon RF 85mm F1.2L USM Size and Weight Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Canon RF 100mm F2.8L Macro IS weighs 730g, which means it is 465g (38%) lighter than the Canon RF 85mm F1.2L USM which has a weight of 1195g.
Lens Mounts
Both Canon RF 100mm F2.8L Macro IS and Canon RF 85mm F1.2L USM has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 II, Canon R10 and Canon R7.
Focal Range
Canon RF 100mm F2.8L Macro IS is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 160mm.
Canon RF 85mm F1.2L USM is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 136mm.