The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Rokinon 35mm f1.4 and the Nikon 35mm f1.8G for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Rokinon 35mm f1.4 is the longer of the two lenses at 112mm. The Nikon 35mm f1.8G with a length of 72mm, is 40mm shorter. On the other hand, the Nikon 35mm f1.8G has a larger diameter of 72mm compared to the Rokinon 35mm f1.4's 63mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Nikon 35mm f1.8G weighs 305g, 53% (355g) lighter than the Rokinon 35mm f1.4's weight of 660g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Nikon F (FX) Mount for size comparison purposes.
Wideangle Prime Lenses in Nikon F (FX) Mount for Size Comparison
Both the Rokinon 35mm f1.4 and the Nikon 35mm f1.8G 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.
Rokinon 35mm f1.4 is also available in Canon EF , Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Nikon 35mm f1.8G is also available in Nikon F (DX) mount.
Both lenses have the same focal range of 35mm but while Rokinon 35mm f1.4 has the fastest aperture of F1.4, the Nikon 35mm f1.8G's widest aperture value is F1.8.