The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24-70mm F2.8 GM II 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. Sony FE 24-70mm F2.8 GM II is the longer of the two lenses at 120mm. The Rokinon 35mm f1.4 with a length of 112mm, is 8mm shorter. Besides being longer, the Sony FE 24-70mm F2.8 GM II also has a larger diameter of 88mm 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, 5% (35g) lighter than the Sony FE 24-70mm F2.8 GM II's weight of 695g.
Filter Threads
The Sony FE 24-70mm F2.8 GM II has a filter size of 82mm 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 82mm filters that we recommend you to consider for the Sony FE 24-70mm F2.8 GM II:
And these are the 77mm filters that we recommend for the Rokinon 35mm f1.4:
Lens Mounts
The Sony FE 24-70mm F2.8 GM II has the Sony E lens mount whereas the Rokinon 35mm f1.4 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.
Rokinon 35mm f1.4 is also available in Canon EF , Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Sony FE 24-70mm F2.8 GM II has a focal range of 24-70mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36 - 105mm.
On the other hand, the Rokinon 35mm f1.4 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.
