The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang T-S 24mm f3.5 and the Rokinon 24mm f1.4 for their suitability to various photography scenarios:
Size and Weight Comparison
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 24mm f1.4 weighs 580g, 14% (100g) lighter than the Samyang T-S 24mm f3.5's weight of 680g.
Filter Threads
The Samyang T-S 24mm f3.5 has a filter size of 82mm whereas the Rokinon 24mm 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 Samyang T-S 24mm f3.5:
And these are the 77mm filters that we recommend for the Rokinon 24mm f1.4:
Lens Mounts
Both the Samyang T-S 24mm f3.5 and the Rokinon 24mm 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.
Samyang T-S 24mm f3.5 is also available in Canon EF , Nikon F (FX), Pentax KAF and Sony E mounts.
Rokinon 24mm 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
24mm but while Samyang T-S 24mm f3.5 has the fastest aperture of
F3.5, the Rokinon 24mm f1.4's widest aperture value is
F1.4.