The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 14mm F1.4 DG DN and the Samyang 14mm F2.8 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 F1.4 DG DN is the longer of the two lenses at 150mm. The Samyang 14mm F2.8 with a length of 96mm, is 54mm shorter. Besides being longer, the Sigma 14mm F1.4 DG DN also has a larger diameter of 101mm compared to the Samyang 14mm F2.8's 87mm diameter.
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. Samyang 14mm F2.8 weighs 552g, 52% (618g) lighter than the Sigma 14mm F1.4 DG DN's weight of 1170g.
Lens Mounts
The Sigma 14mm F1.4 DG DN has the Sony E lens mount whereas the Samyang 14mm F2.8 has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Sigma 14mm F1.4 DG DN is also available in the Leica L mount.
Samyang 14mm F2.8 is also available in Canon EF , Four Thirds, Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
Focal Range
Both lenses have the same focal range of
14mm but while Sigma 14mm F1.4 DG DN has the fastest aperture of
F1.4, the Samyang 14mm F2.8's widest aperture value is
F2.8.
