The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F1.4 DG 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 35mm F1.4 DG HSM is the longer of the two lenses at 94mm. The Carl Zeiss Touit 1.8/32 with a length of 60mm, is 34mm shorter. Besides being longer, the Sigma 35mm F1.4 DG HSM also has a larger diameter of 77mm 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, 68% (455g) lighter than the Sigma 35mm F1.4 DG HSM's weight of 665g.
Filter Threads
The Sigma 35mm F1.4 DG HSM has a filter size of 67mm 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 67mm filters that we recommend you to consider for the Sigma 35mm F1.4 DG HSM:
And these are the 52mm filters that we recommend for the Carl Zeiss Touit 1.8/32:
Lens Mounts
The Sigma 35mm F1.4 DG HSM has the Sony Alpha lens mount whereas the Carl Zeiss Touit 1.8/32 has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount and Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount.
Sigma 35mm F1.4 DG HSM is also available in the Canon EF , Pentax KAF3, Sigma SA, Nikon F (FX) and Leica L mounts.
Carl Zeiss Touit 1.8/32 is also available in Fujifilm X mount.
Focal Range
Sigma 35mm F1.4 DG HSM is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
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.
