The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 24mm F1.8 IS and the Canon RF-S 18-150mm f3.5-6.3 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-S 18-150mm f3.5-6.3 IS is the longer of the two lenses at 87mm. The Canon RF 24mm F1.8 IS with a length of 63mm, is 24mm shorter. On the other hand, the Canon RF 24mm F1.8 IS has a larger diameter of 74mm compared to the Canon RF-S 18-150mm f3.5-6.3 IS's 69mm diameter.
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Below you can find a scaled side-by-side image of Canon RF 24mm F1.8 IS and Canon RF-S 18-150mm f3.5-6.3 IS 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. Canon RF 24mm F1.8 IS weighs 270g, which means it is 40g (12%) lighter than the Canon RF-S 18-150mm f3.5-6.3 IS which has a weight of 310g.
Filter Threads
The Canon RF 24mm F1.8 IS has a filter size of 52mm whereas the Canon RF-S 18-150mm f3.5-6.3 IS has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Canon RF 24mm F1.8 IS:
And these are the 55mm filters that we recommend for the Canon RF-S 18-150mm f3.5-6.3 IS:
Lens Mounts
Both the Canon RF 24mm F1.8 IS and the Canon RF-S 18-150mm f3.5-6.3 IS has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R100, Canon R8 and Canon R50.
Focal Range
Canon RF 24mm F1.8 IS is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
38.4mm.
On the other hand, the Canon RF-S 18-150mm f3.5-6.3 IS has a focal range of 18-150mm and 8.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28.8-240mm when used on a APS-C / DX format camera.