The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Irix 45mm F1.4 and the Hasselblad XCD 45mm F3.5 for their suitability to various photography scenarios:
Size and Weight Comparison
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. Hasselblad XCD 45mm F3.5 weighs 475g, 48% (450g) lighter than the Irix 45mm F1.4's weight of 925g.
Filter Threads
The Irix 45mm F1.4 has a filter size of 77mm whereas the Hasselblad XCD 45mm F3.5 has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Irix 45mm F1.4:
And these are the 67mm filters that we recommend for the Hasselblad XCD 45mm F3.5:
Lens Mounts
The Irix 45mm F1.4 has the Nikon F (FX) lens mount whereas the Hasselblad XCD 45mm F3.5 has the Hasselblad X lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Hasselblad X2D II, Hasselblad X2D and Hasselblad X1D II for the Hasselblad X Mount.
Irix 45mm F1.4 is also available in the Canon EF and Pentax KAF2 mounts.
Focal Range
Both lenses have the same focal range of
45mm but while Irix 45mm F1.4 has the fastest aperture of
F1.4, the Hasselblad XCD 45mm F3.5's widest aperture value is
F3.5.
