Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sigma 20mm F1.4 DG HSM A is the longer of the two lenses at 130mm. The Sigma 24mm F1.4 DG HSM A with a length of 90mm is 40mm shorter. Besides being longer, the Sigma 20mm F1.4 DG HSM A also has a larger diameter of 91mm compared to Sigma 24mm F1.4 DG HSM A's 85mm diameter.
Below you can find the scaled side by side image of Sigma 20mm F1.4 DG HSM A and Sigma 24mm F1.4 DG HSM A to get a better idea of how their size compare in real life.
Comparison image of Sigma 20mm F1.4 DG HSM A and Sigma 24mm F1.4 DG HSM A Size and Weight Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sigma 24mm F1.4 DG HSM A weighs 665g, 42% (285g) lighter than the Sigma 20mm F1.4 DG HSM A's weight of 950g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Leica L Mount for size comparison purposes.
Wideangle Prime Lenses in Leica L Mount for Size Comparison
Lens Mounts
Both Sigma 20mm F1.4 DG HSM A and Sigma 24mm F1.4 DG HSM A has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Sigma fp L, Leica SL2-S and Panasonic S5.
Sigma 20mm F1.4 DG HSM A is also available in Canon EF , Nikon F (FX) and Sigma SA mounts.
Sigma 24mm F1.4 DG HSM A is also available in Canon EF , Nikon F (FX) and Sigma SA mounts.
Focal Range
Sigma 20mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 20mm. Sigma 24mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 24mm.