The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 35mm F1.4 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, 12% (80g) lighter than the Samyang 35mm F1.4's weight of 660g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Four Thirds Mount for size comparison purposes.
Wideangle Lenses in Four Thirds Mount for Size Comparison
Filter Threads
Both the Samyang 35mm F1.4 and the Rokinon 24mm f1.4 have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Samyang 35mm F1.4 and the Rokinon 24mm f1.4 has the same Four Thirds lens mount. Some of the latest released cameras that are compatible with the Four Thirds lenses are Olympus E-5, Olympus E-600 and Olympus E-620.
Samyang 35mm F1.4 is also available in Canon EF , Nikon F (FX), Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
Rokinon 24mm f1.4 is also available in Canon EF , Nikon F (FX), Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Samyang 35mm F1.4 is a prime lens with fixed focal lenght of 35mm.
On the other hand, the Rokinon 24mm f1.4 is a prime lens with fixed focal lenght of 24mm.