The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 24-105mm F4L IS and the Sony FE PZ 28-135mm F4 G OSS 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. Sony FE PZ 28-135mm F4 G OSS is the longer of the two lenses at 163mm. The Canon RF 24-105mm F4L IS with a length of 107mm, is 56mm shorter. Besides being longer, the Sony FE PZ 28-135mm F4 G OSS also has a larger diameter of 105mm compared to the Canon RF 24-105mm F4L IS's 84mm diameter.
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 F4L IS weighs 700g, which means it is 515g (42%) lighter than the Sony FE PZ 28-135mm F4 G OSS which has a weight of 1215g.
Filter Threads
The Canon RF 24-105mm F4L IS has a filter size of 77mm whereas the Sony FE PZ 28-135mm F4 G OSS has a 95mm 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 24-105mm F4L IS:
And these are the 95mm filters that we recommend for the Sony FE PZ 28-135mm F4 G OSS:
Lens Mounts
The Canon RF 24-105mm F4L IS has the Canon RF lens mount whereas the Sony FE PZ 28-135mm F4 G OSS has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Canon R100, Canon R8 and Canon R50 for the Canon RF Mount and Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount.
Focal Range
Canon RF 24-105mm F4L 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 Sony FE PZ 28-135mm F4 G OSS has a focal range of 28-135mm and 4.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42 - 202.5mm.