The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 11mm F1.8 and the Carl Zeiss Touit 2.8/12 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 2.8/12 is the longer of the two lenses at 86mm. The Sony E 11mm F1.8 with a length of 58mm, is 28mm shorter. Besides being longer, the Carl Zeiss Touit 2.8/12 also has a larger diameter of 82mm compared to the Sony E 11mm F1.8's 66mm 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 11mm F1.8 weighs 181g, which means it is 89g (32%) lighter than the Carl Zeiss Touit 2.8/12 which has a weight of 270g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
The Sony E 11mm F1.8 has a filter size of 55mm whereas the Carl Zeiss Touit 2.8/12 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 55mm filters that we recommend you to consider for the Sony E 11mm F1.8:
And these are the 67mm filters that we recommend for the Carl Zeiss Touit 2.8/12:
Lens Mounts
Both the Sony E 11mm F1.8 and the Carl Zeiss Touit 2.8/12 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II, Sony A6700 and Sony FX30.
Carl Zeiss Touit 2.8/12 is also available in Fujifilm X mount.
Focal Range
Sony E 11mm F1.8 is a prime lens with fixed focal lenght of 11mm which has an effective (full-frame 35mm equivalent) focal range of
16.5mm when used on a APS-C / DX format camera.
On the other hand, the Carl Zeiss Touit 2.8/12 is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of 18mm when used on a APS-C / DX format camera.