The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 90mm F3.5 SL II and the Sigma 85mm F1.4 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 85mm F1.4 DG HSM is the longer of the two lenses at 126mm. The Voigtlander 90mm F3.5 SL II with a length of 52mm, is 74mm shorter. Besides being longer, the Sigma 85mm F1.4 DG HSM also has a larger diameter of 95mm compared to the Voigtlander 90mm F3.5 SL II's 63mm 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. Voigtlander 90mm F3.5 SL II weighs 320g, which means it is 810g (71%) lighter than the Sigma 85mm F1.4 DG HSM which has a weight of 1130g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Nikon F (FX) Mount for size comparison purposes.
Telephoto Lenses in Nikon F (FX) Mount for Size Comparison
Filter Threads
The Voigtlander 90mm F3.5 SL II has a filter size of 52mm whereas the Sigma 85mm F1.4 DG HSM has a 86mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Voigtlander 90mm F3.5 SL II:
And these are the 86mm filters that we recommend for the Sigma 85mm F1.4 DG HSM:
Lens Mounts
Both the Voigtlander 90mm F3.5 SL II and the Sigma 85mm F1.4 DG HSM 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.
Voigtlander 90mm F3.5 SL II is also available in Canon EF and Pentax KAF mounts.
Sigma 85mm F1.4 DG HSM is also available in Sigma SA and Canon EF mounts.
Focal Range
Voigtlander 90mm F3.5 SL II 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.
On the other hand, the Sigma 85mm F1.4 DG HSM 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.