The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 35mm F1.4 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. Samyang 35mm F1.4 is the longer of the two lenses at 112mm. The Carl Zeiss Touit 1.8/32 with a length of 60mm, is 52mm shorter. On the other hand, the Carl Zeiss Touit 1.8/32 has a larger diameter of 65mm compared to the Samyang 35mm F1.4's 63mm 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% (450g) lighter than the Samyang 35mm F1.4's weight of 660g.
Filter Threads
The Samyang 35mm F1.4 has a filter size of 77mm 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 77mm filters that we recommend you to consider for the Samyang 35mm F1.4:
And these are the 52mm filters that we recommend for the Carl Zeiss Touit 1.8/32:
Lens Mounts
Both the Samyang 35mm F1.4 and the Carl Zeiss Touit 1.8/32 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Samyang 35mm F1.4 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Carl Zeiss Touit 1.8/32 is also available in Fujifilm X mount.
Focal Range
Samyang 35mm F1.4 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.