The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 85mm F1.4 DG HSM A and the Sony FE 90mm F2.8 Macro G OSS 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. Sony FE 90mm F2.8 Macro G OSS is the longer of the two lenses at 131mm. The Sigma 85mm F1.4 DG HSM A with a length of 126mm, is 5mm shorter. On the other hand, the Sigma 85mm F1.4 DG HSM A has a larger diameter of 95mm compared to the Sony FE 90mm F2.8 Macro G OSS's 79mm diameter.
Below you can find a scaled side-by-side image of Sigma 85mm F1.4 DG HSM A and Sony FE 90mm F2.8 Macro G OSS to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 85mm F1.4 DG HSM A and the Sony FE 90mm F2.8 Macro G OSS 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 90mm F2.8 Macro G OSS weighs 602g, 46% (528g) lighter than the Sigma 85mm F1.4 DG HSM A's weight of 1130g.
Filter Threads
The Sigma 85mm F1.4 DG HSM A has a filter size of 86mm whereas the Sony FE 90mm F2.8 Macro G OSS has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 86mm filters that we recommend you to consider for the Sigma 85mm F1.4 DG HSM A:
And these are the 62mm filters that we recommend for the Sony FE 90mm F2.8 Macro G OSS:
Lens Mounts
The Sigma 85mm F1.4 DG HSM A has the Leica L lens mount whereas the Sony FE 90mm F2.8 Macro G OSS has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Focal Range
Sigma 85mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 85mm.
On the other hand, the Sony FE 90mm F2.8 Macro G OSS is a prime lens with fixed focal lenght of 90mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 135mm .
