The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 24mm f1.4 and the Rokinon T-S 24mm f3.5 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. Samyang 24mm f1.4 weighs 580g, which means it is 100g (14%) lighter than the Rokinon T-S 24mm f3.5 which has a weight of 680g.
Filter Threads
The Samyang 24mm f1.4 has a filter size of 77mm whereas the Rokinon T-S 24mm f3.5 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Samyang 24mm f1.4:
And these are the 82mm filters that we recommend for the Rokinon T-S 24mm f3.5:
Lens Mounts
Both the Samyang 24mm f1.4 and the Rokinon T-S 24mm f3.5 has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Samyang 24mm f1.4 is also available in Canon EF , Four Thirds, Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
Rokinon T-S 24mm f3.5 is also available in Canon EF and Sony Alpha mounts.
Focal Range
Both lenses have the same focal range of
24mm but while Samyang 24mm f1.4 has the fastest aperture of
F1.4, the Rokinon T-S 24mm f3.5's widest aperture value is
F3.5.