The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 14mm F2.8 and the Irix 11mm F4 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. Irix 11mm F4 is the longer of the two lenses at 118mm. The 7Artisans 14mm F2.8 with a length of 87mm, is 31mm shorter. Besides being longer, the Irix 11mm F4 also has a larger diameter of 103mm compared to the 7Artisans 14mm F2.8's 89mm 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 14mm F2.8 weighs 504g, which means it is 286g (36%) lighter than the Irix 11mm F4 which has a weight of 790g.
Lens Mounts
The 7Artisans 14mm F2.8 has the Sony E lens mount whereas the Irix 11mm F4 has the Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
7Artisans 14mm F2.8 is also available in the Canon RF , Nikon Z and Leica L mounts.
Irix 11mm F4 is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
7Artisans 14mm F2.8 is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21mm.
On the other hand, the Irix 11mm F4 is a prime lens with fixed focal lenght of 11mm.
