The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 20mm F2 DG DN C and the Sigma 24mm F3.5 DG DN 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 20mm F2 DG DN C is the longer of the two lenses at 72mm. The Sigma 24mm F3.5 DG DN C with a length of 49mm, is 23mm shorter. Besides being longer, the Sigma 20mm F2 DG DN C also has a larger diameter of 70mm compared to the Sigma 24mm F3.5 DG DN C's 64mm diameter.
Below you can find a scaled side-by-side image of Sigma 20mm F2 DG DN C and Sigma 24mm F3.5 DG DN C to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 20mm F2 DG DN C and the Sigma 24mm F3.5 DG DN 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 24mm F3.5 DG DN C weighs 225g, 39% (145g) lighter than the Sigma 20mm F2 DG DN C's weight of 370g.
Filter Threads
The Sigma 20mm F2 DG DN C has a filter size of 62mm whereas the Sigma 24mm F3.5 DG DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Sigma 20mm F2 DG DN C:
And these are the 55mm filters that we recommend for the Sigma 24mm F3.5 DG DN C:
Lens Mounts
The Sigma 20mm F2 DG DN C has the Leica L lens mount whereas the Sigma 24mm F3.5 DG DN C has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Leica L mount.
Focal Range
Sigma 20mm F2 DG DN C is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
30mm .
On the other hand, the Sigma 24mm F3.5 DG DN C is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36mm .
