The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 28-70mm F2.8 and the Canon RF 24-105mm F4.0-7.1 IS 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 28-70mm F2.8 is the longer of the two lenses at 92mm. The Canon RF 24-105mm F4.0-7.1 IS with a length of 89mm, is 3mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 77mm.
Below you can find a scaled side-by-side image of Canon RF 28-70mm F2.8 and Canon RF 24-105mm F4.0-7.1 IS to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 28-70mm F2.8 and the Canon RF 24-105mm F4.0-7.1 IS 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 24-105mm F4.0-7.1 IS weighs 395g, 20% (99g) lighter than the Canon RF 28-70mm F2.8's weight of 494g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Canon RF Mount for size comparison purposes.
Standard Canon RF Mount
Filter Threads
Both the Canon RF 28-70mm F2.8 and the Canon RF 24-105mm F4.0-7.1 IS have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon RF 28-70mm F2.8 and the Canon RF 24-105mm F4.0-7.1 IS 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 28-70mm F2.8 has a focal range of 28-70mm 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
44.8 - 112mm .
On the other hand, the Canon RF 24-105mm F4.0-7.1 IS has a focal range of 24-105mm and 4.4X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 38.4 - 168mm .
