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 16mm 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. Canon RF 20mm F1.4 L VCM is the longer of the two lenses at 99mm. The Sigma 16mm F1.4 C with a length of 92mm, is 7mm shorter. Besides being longer, the Canon RF 20mm F1.4 L VCM also has a larger diameter of 76mm compared to the Sigma 16mm F1.4 C's 72mm diameter.
Below you can find a scaled side-by-side image of Canon RF 20mm F1.4 L VCM and Sigma 16mm F1.4 C 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 16mm 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. Sigma 16mm F1.4 C weighs 405g, 18% (95g) lighter than the Canon RF 20mm F1.4 L VCM's weight of 500g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Canon RF Mount for size comparison purposes.
Wideangle Canon RF Mount
Filter Threads
Both the Canon RF 20mm F1.4 L VCM and the Sigma 16mm F1.4 C have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon RF 20mm F1.4 L VCM and the Sigma 16mm 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 R6 V , Canon R6 III and Canon C50 .
Nikon Z mount.
Focal Range
Canon RF 20mm F1.4 L VCM is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
32mm .
On the other hand, the Sigma 16mm F1.4 C is a prime lens with fixed focal lenght of 16mm which has an effective (full-frame 35mm equivalent) focal range of 25.6mm when used on a APS-C / DX format camera.
