The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 20mm F1.4 L VCM and the Sigma 20mm F1.4 DG DN A 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 20mm F1.4 DG DN A is the longer of the two lenses at 111mm. The Canon RF 20mm F1.4 L VCM with a length of 99mm, is 12mm shorter. Besides being longer, the Sigma 20mm F1.4 DG DN A also has a larger diameter of 88mm compared to the Canon RF 20mm F1.4 L VCM's 76mm diameter.
Below you can find a scaled side-by-side image of Canon RF 20mm F1.4 L VCM and Sigma 20mm F1.4 DG DN A to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 20mm F1.4 L VCM and the Sigma 20mm F1.4 DG DN A 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 20mm F1.4 L VCM weighs 500g, which means it is 135g (21%) lighter than the Sigma 20mm F1.4 DG DN A which has a weight of 635g.
Filter Threads
The Canon RF 20mm F1.4 L VCM has a filter size of 67mm whereas the Sigma 20mm F1.4 DG DN A has a 82mm 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 Canon RF 20mm F1.4 L VCM:
And these are the 82mm filters that we recommend for the Sigma 20mm F1.4 DG DN A:
Lens Mounts
The Canon RF 20mm F1.4 L VCM has the Canon RF lens mount whereas the Sigma 20mm F1.4 DG DN A has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Canon R6 V , Canon R6 III and Canon C50 for the Canon RF Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Leica L mount.
Focal Range
Both lenses have the same focal range of
20mm and the fastest aperture of
F1.4 .
