The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 28mm F2.8 STM and the Canon RF 15-30mm F4.5-6.3 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 15-30mm F4.5-6.3 IS is the longer of the two lenses at 88mm. The Canon RF 28mm F2.8 STM with a length of 25mm, is 63mm shorter. Besides being longer, the Canon RF 15-30mm F4.5-6.3 IS also has a larger diameter of 77mm compared to the Canon RF 28mm F2.8 STM's 69mm diameter.
Below you can find a scaled side-by-side image of Canon RF 28mm F2.8 STM and Canon RF 15-30mm F4.5-6.3 IS to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 28mm F2.8 STM and the Canon RF 15-30mm F4.5-6.3 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 28mm F2.8 STM weighs 120g, which means it is 270g (69%) lighter than the Canon RF 15-30mm F4.5-6.3 IS which has a weight of 390g.
Filter Threads
The Canon RF 28mm F2.8 STM has a filter size of 55mm whereas the Canon RF 15-30mm F4.5-6.3 IS has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Canon RF 28mm F2.8 STM:
And these are the 67mm filters that we recommend for the Canon RF 15-30mm F4.5-6.3 IS:
Lens Mounts
Both the Canon RF 28mm F2.8 STM and the Canon RF 15-30mm F4.5-6.3 IS has the same Canon RF lens mount . Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V , Canon R6 III and Canon C50 .
Focal Range
Canon RF 28mm F2.8 STM is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
44.8mm .
On the other hand, the Canon RF 15-30mm F4.5-6.3 IS has a focal range of 15-30mm and 2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 24 - 48mm .
