The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 35-100mm F2.8 and the Zeiss Otus 85mm f1.4 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 85mm f1.4 is the longer of the two lenses at 128mm. The Tamron 35-100mm F2.8 with a length of 122mm, is 6mm shorter. Besides being longer, the Zeiss Otus 85mm f1.4 also has a larger diameter of 88mm compared to the Tamron 35-100mm F2.8's 81mm 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. Tamron 35-100mm F2.8 weighs 575g, which means it is 465g (44%) lighter than the Zeiss Otus 85mm f1.4 which has a weight of 1040g.
Filter Threads
The Tamron 35-100mm F2.8 has a filter size of 67mm whereas the Zeiss Otus 85mm f1.4 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 67mm filters that we recommend you to consider for the Tamron 35-100mm F2.8:
And these are the 77mm filters that we recommend for the Zeiss Otus 85mm f1.4:
Lens Mounts
Both the Tamron 35-100mm F2.8 and the Zeiss Otus 85mm f1.4 has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z.
Tamron 35-100mm F2.8 is also available in the Sony E mount.
Zeiss Otus 85mm f1.4 is also available in Canon EF , Nikon F (FX), Sony E and Canon RF mounts.
Focal Range
Tamron 35-100mm F2.8 has a focal range of 35-100mm 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
52.5 - 150mm.
On the other hand, the Zeiss Otus 85mm f1.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 127.5mm.
