The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 50mm F1.8 and the Zeiss Touit 50mm f2.8 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Zeiss Touit 50mm f2.8 is the longer of the two lenses at 91mm. The Sony FE 50mm F1.8 with a length of 60mm, is 31mm shorter. On the other hand, the Sony FE 50mm F1.8 has a larger diameter of 69mm compared to the Zeiss Touit 50mm f2.8's 65mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sony FE 50mm F1.8 weighs 186g, which means it is 104g (35%) lighter than the Zeiss Touit 50mm f2.8 which has a weight of 290g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Sony E Mount for size comparison purposes.
Standard Prime Lenses in Sony E Mount for Size Comparison
Both the Sony FE 50mm F1.8 and the Zeiss Touit 50mm f2.8 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E1, Sony A7R V and Sony FX30.
Zeiss Touit 50mm f2.8 is also available in Fujifilm X mount.
Both lenses have the same focal range of 50mm but while Sony FE 50mm F1.8 has the fastest aperture of F1.8, the Zeiss Touit 50mm f2.8's widest aperture value is F2.8.