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 RF 85mm F1.2L USM DS 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 RF 85mm F1.2L USM DS with a length of 117mm, is 13mm shorter. On the other hand, the Canon RF 85mm F1.2L USM DS has a larger diameter of 103mm 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 RF 85mm F1.2L USM DS 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 RF 85mm F1.2L USM DS 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 260g (21%) lighter than the Canon RF 85mm F1.2L USM DS which has a weight of 1195g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Canon RF Mount for size comparison purposes.
Telephoto Canon RF Mount
Filter Threads
Both the Canon RF 135mm F1.8 L IS USM and the Canon RF 85mm F1.2L USM DS have the same Filter thread size of 82mm .
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon RF 135mm F1.8 L IS USM and the Canon RF 85mm F1.2L USM DS 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 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 RF 85mm F1.2L USM DS 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 .
