The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Laowa 100mm F2.8 TS 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. Laowa 100mm F2.8 TS is the longer of the two lenses at 162mm. The Irix 11mm F4 with a length of 118mm, is 44mm shorter. On the other hand, the Irix 11mm F4 has a larger diameter of 103mm compared to the Laowa 100mm F2.8 TS's 85mm 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. Irix 11mm F4 weighs 790g, 34% (425g) lighter than the Laowa 100mm F2.8 TS's weight of 1215g.
Lens Mounts
The Laowa 100mm F2.8 TS has the Leica L 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 Leica TL2, Leica TL and Leica T Typ 701 for the Leica L Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
Laowa 100mm F2.8 TS is also available in the Sony E , Canon RF, Nikon Z and Fujifilm G mounts.
Irix 11mm F4 is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Laowa 100mm F2.8 TS is a prime lens with fixed focal lenght of 100mm which has an effective (full-frame 35mm equivalent) focal range of
150mm when used on a 35mm FF format camera.
On the other hand, the Irix 11mm F4 is a prime lens with fixed focal lenght of 11mm.
