The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F1.4 DG HSM and the Samyang 16mm f2.0 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 35mm F1.4 DG HSM is the longer of the two lenses at 94mm. The Samyang 16mm f2.0 with a length of 89mm, is 5mm shorter. On the other hand, the Samyang 16mm f2.0 has a larger diameter of 83mm compared to the Sigma 35mm F1.4 DG HSM's 77mm 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 16mm f2.0 weighs 583g, 12% (82g) lighter than the Sigma 35mm F1.4 DG HSM's weight of 665g.
Filter Threads
The Sigma 35mm F1.4 DG HSM has a filter size of 67mm whereas the Samyang 16mm f2.0 has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sigma 35mm F1.4 DG HSM:
And these are the 77mm filters that we recommend for the Samyang 16mm f2.0:
Lens Mounts
The Sigma 35mm F1.4 DG HSM has the Pentax KAF3 lens mount whereas the Samyang 16mm f2.0 has the Pentax KAF lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Pentax KAF3 Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Sigma 35mm F1.4 DG HSM is also available in the Canon EF , Sony Alpha, Sigma SA, Nikon F (FX) and Leica L mounts.
Samyang 16mm f2.0 is also available in Canon EF , Canon EF-M, Fujifilm X, Nikon F (DX), Four Thirds, Micro Four Thirds, Sony Alpha, Sony E and Samsung NX mounts.
Focal Range
Sigma 35mm F1.4 DG HSM is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Samyang 16mm f2.0 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.
