The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Otus 28mm F1.4 and the Rokinon T-S 24mm f3.5 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. Zeiss Otus 28mm F1.4 is the longer of the two lenses at 137mm. The Rokinon T-S 24mm f3.5 with a length of 112mm, is 25mm shorter. Besides being longer, the Zeiss Otus 28mm F1.4 also has a larger diameter of 88mm compared to the Rokinon T-S 24mm f3.5's 86mm 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.
Filter Threads
The Zeiss Otus 28mm F1.4 has a filter size of 95mm whereas the Rokinon T-S 24mm f3.5 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 95mm filters that we recommend you to consider for the Zeiss Otus 28mm F1.4:
And these are the 82mm filters that we recommend for the Rokinon T-S 24mm f3.5:
Lens Mounts
Both the Zeiss Otus 28mm F1.4 and the Rokinon T-S 24mm f3.5 has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Zeiss Otus 28mm F1.4 is also available in Canon EF mount.
Rokinon T-S 24mm f3.5 is also available in Canon EF and Sony Alpha mounts.
Focal Range
Zeiss Otus 28mm F1.4 is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42mm.
On the other hand, the Rokinon T-S 24mm f3.5 is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36mm.