The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 85mm F1.4 GM II 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. Sigma 135mm F1.8 DG HSM is the longer of the two lenses at 141mm. The Sony FE 85mm F1.4 GM II with a length of 107mm, is 34mm shorter. Besides being longer, the Sigma 135mm F1.8 DG HSM also has a larger diameter of 91mm compared to the Sony FE 85mm F1.4 GM II's 85mm diameter.
Below you can find a scaled side-by-side image of Sony FE 85mm F1.4 GM II and Sigma 135mm F1.8 DG HSM to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 85mm F1.4 GM II and the Sigma 135mm F1.8 DG HSM Size and Weight 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. Sony FE 85mm F1.4 GM II weighs 642g, which means it is 488g (43%) lighter than the Sigma 135mm F1.8 DG HSM which has a weight of 1130g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Sony E Mount
Filter Threads
The Sony FE 85mm F1.4 GM II has a filter size of 77mm 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 77mm filters that we recommend you to consider for the Sony FE 85mm F1.4 GM II:
And these are the 82mm filters that we recommend for the Sigma 135mm F1.8 DG HSM:
Lens Mounts
Both the Sony FE 85mm F1.4 GM II and the Sigma 135mm F1.8 DG HSM has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Sigma SA , Nikon F (FX) and Canon EF mounts.
Focal Range
Sony FE 85mm F1.4 GM II 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 .
On the other hand, the Sigma 135mm F1.8 DG HSM is a prime lens with fixed focal lenght of 135mm.
