The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 14-35mm F4L IS USM and the Canon 16-35mm F2.8L III 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 16-35mm F2.8L III is the longer of the two lenses at 128mm. The Canon RF 14-35mm F4L IS USM with a length of 100mm, is 28mm shorter. Besides being longer, the Canon 16-35mm F2.8L III also has a larger diameter of 89mm compared to the Canon RF 14-35mm F4L IS USM's 84mm diameter.
Below you can find a scaled side-by-side image of Canon RF 14-35mm F4L IS USM and Canon 16-35mm F2.8L III to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 14-35mm F4L IS USM and the Canon 16-35mm F2.8L III 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 14-35mm F4L IS USM weighs 540g, which means it is 250g (31%) lighter than the Canon 16-35mm F2.8L III which has a weight of 790g.
Filter Threads
The Canon RF 14-35mm F4L IS USM has a filter size of 77mm whereas the Canon 16-35mm F2.8L III has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Canon RF 14-35mm F4L IS USM:
And these are the 82mm filters that we recommend for the Canon 16-35mm F2.8L III:
Lens Mounts
The Canon RF 14-35mm F4L IS USM has the Canon RF lens mount whereas the Canon 16-35mm F2.8L III 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 14-35mm F4L IS USM has a focal range of 14-35mm and
2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
22.4 - 56mm .
On the other hand, the Canon 16-35mm F2.8L III has a focal range of 16-35mm and 2.2X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 25.6 - 56mm .
