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 Rokinon 35mm 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. Rokinon 35mm f1.4 is the longer of the two lenses at 112mm. The Sigma 35mm F1.4 DG HSM with a length of 94mm, is 18mm shorter. On the other hand, the Sigma 35mm F1.4 DG HSM has a larger diameter of 77mm compared to the Rokinon 35mm f1.4's 63mm 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. Rokinon 35mm f1.4 weighs 660g, 0% (5g) lighter than the Sigma 35mm F1.4 DG HSM's weight of 665g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony Alpha Mount for size comparison purposes.
Wideangle Lenses in Sony Alpha Mount for Size Comparison
Filter Threads
The Sigma 35mm F1.4 DG HSM has a filter size of 67mm whereas the Rokinon 35mm f1.4 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 Rokinon 35mm f1.4:
Lens Mounts
Both the Sigma 35mm F1.4 DG HSM and the Rokinon 35mm f1.4 has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Sigma 35mm F1.4 DG HSM is also available in Canon EF , Pentax KAF3, Sigma SA, Nikon F (FX) and Leica L mounts.
Rokinon 35mm f1.4 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF and Samsung NX mounts.
Focal Range
Both lenses have the same focal range of
35mm and the fastest aperture of
F1.4.