The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 28mm F2.8 Color Skopar SL II and the Rokinon 14mm f2.8 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Rokinon 14mm f2.8 is the longer of the two lenses at 96mm. The Voigtlander 28mm F2.8 Color Skopar SL II with a length of 25mm is 71mm shorter. Besides being longer, the Rokinon 14mm f2.8 also has a larger diameter of 87mm compared to Voigtlander 28mm F2.8 Color Skopar SL II's 63mm diameter.
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. Voigtlander 28mm F2.8 Color Skopar SL II weighs 180g, which means it is 372g (67%) lighter than the Rokinon 14mm f2.8 which has a weight of 552g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Canon EF Mount for size comparison purposes.
Wideangle Prime Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both Voigtlander 28mm F2.8 Color Skopar SL II and Rokinon 14mm f2.8 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Voigtlander 28mm F2.8 Color Skopar SL II is also available in Nikon F (FX) mount.
Rokinon 14mm f2.8 is also available in Nikon F (FX) , Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Voigtlander 28mm F2.8 Color Skopar SL II is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 44.8mm.
Rokinon 14mm f2.8 is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 22.4mm.