The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 30mm F1.4 DC HSM and the Carl Zeiss Touit 1.8/32 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. Sigma 30mm F1.4 DC HSM is the longer of the two lenses at 63mm. The Carl Zeiss Touit 1.8/32 with a length of 60mm, is 3mm shorter. Besides being longer, the Sigma 30mm F1.4 DC HSM also has a larger diameter of 74mm compared to the Carl Zeiss Touit 1.8/32's 65mm 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. Carl Zeiss Touit 1.8/32 weighs 210g, 51% (225g) lighter than the Sigma 30mm F1.4 DC HSM's weight of 435g.
Filter Threads
The Sigma 30mm F1.4 DC HSM has a filter size of 62mm whereas the Carl Zeiss Touit 1.8/32 has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Sigma 30mm F1.4 DC HSM:
And these are the 52mm filters that we recommend for the Carl Zeiss Touit 1.8/32:
Lens Mounts
The Sigma 30mm F1.4 DC HSM has the Nikon F (DX) lens mount whereas the Carl Zeiss Touit 1.8/32 has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Sigma 30mm F1.4 DC HSM is also available in the Canon EF and Sigma SA mounts.
Carl Zeiss Touit 1.8/32 is also available in Sony E mount.
Focal Range
Sigma 30mm F1.4 DC HSM is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of
45mm when used on a APS-C / DX format camera.
On the other hand, the Carl Zeiss Touit 1.8/32 is a prime lens with fixed focal lenght of 32mm which has an effective (full-frame 35mm equivalent) focal range of 48mm when used on a APS-C / DX format camera.
