The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 30mm F2.8 DN and the Sigma 30mm F1.4 EX DC HSM for their suitability to various photography scenarios:
Size and Weight Comparison
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 30mm F2.8 DN weighs 135g, which means it is 295g (68%) lighter than the Sigma 30mm F1.4 EX DC HSM which has a weight of 430g.
Lens Mounts
The Sigma 30mm F2.8 DN has the Micro Four Thirds lens mount whereas the Sigma 30mm F1.4 EX DC HSM has the Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Micro Four Thirds Mount and , and for the Four Thirds Mount.
Sigma 30mm F2.8 DN is also available in the Sony E mount.
Sigma 30mm F1.4 EX DC HSM is also available in Canon EF-S , Nikon F (DX), Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Both lenses have the same focal range of
30mm but while Sigma 30mm F2.8 DN has the fastest aperture of
F2.8, the Sigma 30mm F1.4 EX DC HSM's widest aperture value is
F1.4.