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 Art and the Panasonic DG 12mm F1.4 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 14mm F1.8 DG HSM Art is the longer of the two lenses at 126mm. The Panasonic DG 12mm F1.4 with a length of 70mm, is 56mm shorter. Besides being longer, the Sigma 14mm F1.8 DG HSM Art also has a larger diameter of 95mm compared to the Panasonic DG 12mm F1.4's 70mm diameter.
Below you can find a scaled side-by-side image of Sigma 14mm F1.8 DG HSM Art and Panasonic DG 12mm F1.4 to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 14mm F1.8 DG HSM Art and the Panasonic DG 12mm F1.4 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. Panasonic DG 12mm F1.4 weighs 335g, 71% (835g) lighter than the Sigma 14mm F1.8 DG HSM Art's weight of 1170g.
Lens Mounts
The Sigma 14mm F1.8 DG HSM Art has the Leica L lens mount whereas the Panasonic DG 12mm F1.4 has the Micro Four Thirds 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 OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Sigma 14mm F1.8 DG HSM Art is a prime lens with fixed focal lenght of 14mm.
On the other hand, the Panasonic DG 12mm F1.4 is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of 24mm when used on a FourThirds format camera.
