The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Batis 135mm F2.8 and the Sigma 135mm F1.8 DG HSM 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 Batis 135mm F2.8 is the longer of the two lenses at 120mm. The Sigma 135mm F1.8 DG HSM with a length of 115mm, is 5mm shorter. Besides being longer, the Zeiss Batis 135mm F2.8 also has a larger diameter of 98mm compared to the Sigma 135mm F1.8 DG HSM's 91mm 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 Batis 135mm F2.8 weighs 614g, which means it is 516g (45%) lighter than the Sigma 135mm F1.8 DG HSM which has a weight of 1130g.
Filter Threads
The Zeiss Batis 135mm F2.8 has a filter size of 67mm whereas the Sigma 135mm F1.8 DG HSM 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 67mm filters that we recommend you to consider for the Zeiss Batis 135mm F2.8:
And these are the 82mm filters that we recommend for the Sigma 135mm F1.8 DG HSM:
Lens Mounts
The Zeiss Batis 135mm F2.8 has the Sony E lens mount whereas the Sigma 135mm F1.8 DG HSM has the Sigma SA lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount and Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Sigma 135mm F1.8 DG HSM is also available in Nikon F (FX) , Canon EF and Sony E mounts.
Focal Range
Both lenses have the same focal range of
135mm but while Zeiss Batis 135mm F2.8 has the fastest aperture of
F2.8, the Sigma 135mm F1.8 DG HSM's widest aperture value is
F1.8.