The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14mm F1.8 DG HSM and the Sigma 20mm F1.4 DG HSM 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 HSM A is the longer of the two lenses at 130mm. The Sigma 14mm F1.8 DG HSM with a length of 126mm, is 4mm shorter. On the other hand, the Sigma 14mm F1.8 DG HSM has a larger diameter of 95mm compared to the Sigma 20mm F1.4 DG HSM A's 91mm diameter.
Below you can find a scaled side-by-side image of Sigma 14mm F1.8 DG HSM and Sigma 20mm F1.4 DG HSM A to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 14mm F1.8 DG HSM and the Sigma 20mm F1.4 DG HSM 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. Sigma 20mm F1.4 DG HSM A weighs 950g, 18% (220g) lighter than the Sigma 14mm F1.8 DG HSM's weight of 1170g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sigma SA Mount for size comparison purposes.
Ultra-Wideangle Sigma SA Mount
Lens Mounts
Both the Sigma 14mm F1.8 DG HSM and the Sigma 20mm F1.4 DG HSM A has the same Sigma SA lens mount . Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma Quattro , Sigma Quattro H and Sigma SD1 Merrill .
Nikon F (FX) and Canon EF mounts.
Canon EF , Nikon F (FX) and Leica L mounts.
Focal Range
Sigma 14mm F1.8 DG HSM is a prime lens with fixed focal lenght of 14mm.
On the other hand, the Sigma 20mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 20mm.
