The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF-S 14-30mm F4-6.3 and the Sigma 23mm F1.4 C 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. Sigma 23mm F1.4 C is the longer of the two lenses at 79mm. The Canon RF-S 14-30mm F4-6.3 with a length of 62mm, is 17mm shorter. On the other hand, the Canon RF-S 14-30mm F4-6.3 has a larger diameter of 70mm compared to the Sigma 23mm F1.4 C's 66mm diameter.
Below you can find a scaled side-by-side image of Canon RF-S 14-30mm F4-6.3 and Sigma 23mm F1.4 C to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF-S 14-30mm F4-6.3 and the Sigma 23mm F1.4 C 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-S 14-30mm F4-6.3 weighs 181g, which means it is 149g (45%) lighter than the Sigma 23mm F1.4 C which has a weight of 330g.
Filter Threads
The Canon RF-S 14-30mm F4-6.3 has a filter size of 58mm whereas the Sigma 23mm F1.4 C has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Canon RF-S 14-30mm F4-6.3:
And these are the 52mm filters that we recommend for the Sigma 23mm F1.4 C:
Lens Mounts
Both the Canon RF-S 14-30mm F4-6.3 and the Sigma 23mm F1.4 C has the same Canon RF lens mount . Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R50 V , Canon R100 and Canon R50 .
Focal Range
Canon RF-S 14-30mm F4-6.3 has a focal range of 14-30mm and
2.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
22.4-48mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 23mm F1.4 C is a prime lens with fixed focal lenght of 23mm which has an effective (full-frame 35mm equivalent) focal range of 36.8mm when used on a APS-C / DX format camera.
