The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 135mm F1.8 L IS USM and the Canon 85mm f1.2L 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 RF 135mm F1.8 L IS USM is the longer of the two lenses at 130mm. The Canon 85mm f1.2L II USM with a length of 84mm, is 46mm shorter. On the other hand, the Canon 85mm f1.2L II USM has a larger diameter of 92mm compared to the Canon RF 135mm F1.8 L IS USM's 89mm diameter.
Below you can find a scaled side-by-side image of Canon RF 135mm F1.8 L IS USM and Canon 85mm f1.2L II USM to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 135mm F1.8 L IS USM and the Canon 85mm f1.2L 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 135mm F1.8 L IS USM weighs 935g, which means it is 90g (8%) lighter than the Canon 85mm f1.2L II USM which has a weight of 1025g.
Filter Threads
The Canon RF 135mm F1.8 L IS USM has a filter size of 82mm whereas the Canon 85mm f1.2L 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 82mm filters that we recommend you to consider for the Canon RF 135mm F1.8 L IS USM:
And these are the 72mm filters that we recommend for the Canon 85mm f1.2L II USM:
Lens Mounts
The Canon RF 135mm F1.8 L IS USM has the Canon RF lens mount whereas the Canon 85mm f1.2L 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 135mm F1.8 L IS USM is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
216mm .
On the other hand, the Canon 85mm f1.2L II 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 a 35mm (FF) equivalent of 136mm .
