The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F2.8 EX DG Macro and the Zeiss Otus 1.4/55 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 1.4/55 is the longer of the two lenses at 141mm. The Sigma 50mm F2.8 EX DG Macro with a length of 67mm, is 74mm shorter. Besides being longer, the Zeiss Otus 1.4/55 also has a larger diameter of 92mm compared to the Sigma 50mm F2.8 EX DG Macro'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. Sigma 50mm F2.8 EX DG Macro weighs 320g, which means it is 650g (67%) lighter than the Zeiss Otus 1.4/55 which has a weight of 970g.
Filter Threads
The Sigma 50mm F2.8 EX DG Macro has a filter size of 55mm whereas the Zeiss Otus 1.4/55 has a 77mm 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 Sigma 50mm F2.8 EX DG Macro:
And these are the 77mm filters that we recommend for the Zeiss Otus 1.4/55:
Lens Mounts
Both the Sigma 50mm F2.8 EX DG Macro and the Zeiss Otus 1.4/55 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.
Sigma 50mm F2.8 EX DG Macro is also available in Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Zeiss Otus 1.4/55 is also available in Canon EF mount.
Focal Range
Sigma 50mm F2.8 EX DG Macro is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75mm.
On the other hand, the Zeiss Otus 1.4/55 is a prime lens with fixed focal lenght of 55mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 82.5mm.