The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Carl Zeiss Touit 1.8/32 and the Sony E 35mm F1.8 OSS 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. Carl Zeiss Touit 1.8/32 is the longer of the two lenses at 60mm. The Sony E 35mm F1.8 OSS with a length of 45mm, is 15mm shorter. Besides being longer, the Carl Zeiss Touit 1.8/32 also has a larger diameter of 65mm compared to the Sony E 35mm F1.8 OSS'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. Sony E 35mm F1.8 OSS weighs 155g, 26% (55g) lighter than the Carl Zeiss Touit 1.8/32's weight of 210g.
Filter Threads
The Carl Zeiss Touit 1.8/32 has a filter size of 52mm whereas the Sony E 35mm F1.8 OSS has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Carl Zeiss Touit 1.8/32:
And these are the 49mm filters that we recommend for the Sony E 35mm F1.8 OSS:
Lens Mounts
Both the Carl Zeiss Touit 1.8/32 and the Sony E 35mm F1.8 OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Carl Zeiss Touit 1.8/32 is also available in Fujifilm X mount.
Focal Range
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.
On the other hand, the Sony E 35mm F1.8 OSS is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of 52.5mm when used on a APS-C / DX format camera.