The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 14mm F2.8 and the Sigma 16mm F1.4 DC DN E 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. Samyang 14mm F2.8 is the longer of the two lenses at 96mm. The Sigma 16mm F1.4 DC DN E with a length of 92mm, is 4mm shorter. Besides being longer, the Samyang 14mm F2.8 also has a larger diameter of 87mm compared to the Sigma 16mm F1.4 DC DN E's 72mm 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. Sigma 16mm F1.4 DC DN E weighs 405g, 26% (147g) lighter than the Samyang 14mm F2.8's weight of 552g.
Lens Mounts
Both the Samyang 14mm F2.8 and the Sigma 16mm F1.4 DC DN E has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Samyang 14mm F2.8 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Samyang 14mm F2.8 is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21mm.
On the other hand, the Sigma 16mm F1.4 DC DN E is a prime lens with fixed focal lenght of 16mm which has an effective (full-frame 35mm equivalent) focal range of 24mm when used on a APS-C / DX format camera.