The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 25mm F1.8 and the Rokinon 14mm f2.8 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Rokinon 14mm f2.8 is the longer of the two lenses at 96mm. The 7artisans 25mm F1.8 with a length of 32mm, is 64mm shorter. Besides being longer, the Rokinon 14mm f2.8 also has a larger diameter of 87mm compared to the 7artisans 25mm F1.8's 51mm diameter.
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. 7artisans 25mm F1.8 weighs 143g, which means it is 409g (74%) lighter than the Rokinon 14mm f2.8 which has a weight of 552g.
Lens Mounts
The 7artisans 25mm F1.8 has the Canon EF-M lens mount whereas the Rokinon 14mm f2.8 has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Canon EF-M Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
7artisans 25mm F1.8 is also available in the Fujifilm X , Micro Four Thirds and Sony E mounts.
Rokinon 14mm f2.8 is also available in Nikon F (FX) , Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
7artisans 25mm F1.8 is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
37.5mm when used on a APS-C / DX format camera.
On the other hand, the 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 a 35mm (FF) equivalent of 22.4mm.
