The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Rokinon T-S 24mm f3.5 and the Carl Zeiss Distagon T2/25 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. Rokinon T-S 24mm f3.5 is the longer of the two lenses at 112mm. The Carl Zeiss Distagon T2/25 with a length of 95mm, is 17mm shorter. Besides being longer, the Rokinon T-S 24mm f3.5 also has a larger diameter of 86mm compared to the Carl Zeiss Distagon T2/25's 71mm 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. Carl Zeiss Distagon T2/25 weighs 570g, 16% (110g) lighter than the Rokinon T-S 24mm f3.5's weight of 680g.
Filter Threads
The Rokinon T-S 24mm f3.5 has a filter size of 82mm whereas the Carl Zeiss Distagon T2/25 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 82mm filters that we recommend you to consider for the Rokinon T-S 24mm f3.5:
And these are the 67mm filters that we recommend for the Carl Zeiss Distagon T2/25:
Lens Mounts
Both the Rokinon T-S 24mm f3.5 and the Carl Zeiss Distagon T2/25 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.
Rokinon T-S 24mm f3.5 is also available in Canon EF and Sony Alpha mounts.
Carl Zeiss Distagon T2/25 is also available in Canon EF mount.
Focal Range
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.
On the other hand, the Carl Zeiss Distagon T2/25 is a prime lens with fixed focal lenght of 25mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 37.5mm.