The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 24-105mm F4.0-7.1 IS and the Canon 18-135mm F3.5-5.6 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 18-135mm F3.5-5.6 IS is the longer of the two lenses at 96mm. The Canon RF 24-105mm F4.0-7.1 IS with a length of 89mm, is 7mm 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 24-105mm F4.0-7.1 IS and Canon 18-135mm F3.5-5.6 IS to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 24-105mm F4.0-7.1 IS and the Canon 18-135mm F3.5-5.6 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, which means it is 120g (23%) lighter than the Canon 18-135mm F3.5-5.6 IS which has a weight of 515g.
Filter Threads
Both the Canon RF 24-105mm F4.0-7.1 IS and the Canon 18-135mm F3.5-5.6 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
The Canon RF 24-105mm F4.0-7.1 IS has the Canon RF lens mount whereas the Canon 18-135mm F3.5-5.6 IS has the Canon EF-S 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 Canon T8i , Canon 90D and Canon SL3 for the Canon EF-S Mount.
Canon EF-S mount.
Focal Range
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 .
On the other hand, the Canon 18-135mm F3.5-5.6 IS has a focal range of 18-135mm and 7.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28.8-216mm when used on a APS-C / DX format camera.
