The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 28-200mm F2.8-5.6 Di III and the Canon RF 24-240mm F4-6.3 IS USM 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 24-240mm F4-6.3 IS USM is the longer of the two lenses at 123mm. The Tamron 28-200mm F2.8-5.6 Di III with a length of 117mm, is 6mm shorter. Besides being longer, the Canon RF 24-240mm F4-6.3 IS USM also has a larger diameter of 80mm compared to the Tamron 28-200mm F2.8-5.6 Di III's 74mm diameter.
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Below you can find a scaled side-by-side image of Tamron 28-200mm F2.8-5.6 Di III and Canon RF 24-240mm F4-6.3 IS USM to get a better idea of how their sizes compare in real life.
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. Tamron 28-200mm F2.8-5.6 Di III weighs 576g, which means it is 174g (23%) lighter than the Canon RF 24-240mm F4-6.3 IS USM which has a weight of 750g.
Filter Threads
The Tamron 28-200mm F2.8-5.6 Di III has a filter size of 67mm whereas the Canon RF 24-240mm F4-6.3 IS USM has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 28-200mm F2.8-5.6 Di III:
And these are the 72mm filters that we recommend for the Canon RF 24-240mm F4-6.3 IS USM:
Lens Mounts
The Tamron 28-200mm F2.8-5.6 Di III has the Sony E lens mount whereas the Canon RF 24-240mm F4-6.3 IS USM has the Canon RF lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount and Canon R100, Canon R8 and Canon R50 for the Canon RF Mount.
Focal Range
Tamron 28-200mm F2.8-5.6 Di III has a focal range of 28-200mm and
7.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 300mm.
On the other hand, the Canon RF 24-240mm F4-6.3 IS USM has a focal range of 24-240mm and 10.0X 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 - 384mm.