The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Touit 50mm f2.8 and the Sigma 24-70mm F2.8 II 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 24-70mm F2.8 II is the longer of the two lenses at 122mm. The Zeiss Touit 50mm f2.8 with a length of 91mm, is 31mm shorter. Besides being longer, the Sigma 24-70mm F2.8 II also has a larger diameter of 88mm compared to the Zeiss Touit 50mm f2.8'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. Zeiss Touit 50mm f2.8 weighs 290g, which means it is 445g (60%) lighter than the Sigma 24-70mm F2.8 II which has a weight of 735g.
Filter Threads
The Zeiss Touit 50mm f2.8 has a filter size of 52mm whereas the Sigma 24-70mm F2.8 II has a 82mm 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 Zeiss Touit 50mm f2.8:
And these are the 82mm filters that we recommend for the Sigma 24-70mm F2.8 II:
Lens Mounts
Both the Zeiss Touit 50mm f2.8 and the Sigma 24-70mm F2.8 II 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.
Zeiss Touit 50mm f2.8 is also available in the Fujifilm X mount.
Sigma 24-70mm F2.8 II is also available in Leica L mount.
Focal Range
Zeiss Touit 50mm f2.8 is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of
75mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 24-70mm F2.8 II has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 105mm.
