The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Irix 11mm F4 and the Venus 17mm F4 Zero-D GFX 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. Venus 17mm F4 Zero-D GFX is the longer of the two lenses at 125mm. The Irix 11mm F4 with a length of 118mm, is 7mm shorter. On the other hand, the Irix 11mm F4 has a larger diameter of 103mm compared to the Venus 17mm F4 Zero-D GFX's 61mm diameter.
Below you can find a scaled side-by-side image of Irix 11mm F4 and Venus 17mm F4 Zero-D GFX to get a better idea of how their sizes compare in real life.
Comparison image of the Irix 11mm F4 and the Venus 17mm F4 Zero-D GFX Size and Weight 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, which means it is 39g (4%) lighter than the Venus 17mm F4 Zero-D GFX which has a weight of 829g.
Lens Mounts
The Irix 11mm F4 has the Pentax KAF3 lens mount whereas the Venus 17mm F4 Zero-D GFX has the Fujifilm G lens mount . Some of the latest released cameras that are compatible with these mounts are Pentax K-3 III Mono , Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount and Fujifilm GFX Eterna 55 , Fujifilm GFX 100S II and Fujifilm GFX 100 II for the Fujifilm G Mount.
Irix 11mm F4 is also available in the Canon EF and Nikon F (FX) mounts.
Focal Range
Irix 11mm F4 is a prime lens with fixed focal lenght of 11mm.
On the other hand, the Venus 17mm F4 Zero-D GFX is a prime lens with fixed focal lenght of 17mm.