The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Laowa 85mm f5.6 2x Macro and the Sigma 90mm F2.8 DG DN C 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. Laowa 85mm f5.6 2x Macro is the longer of the two lenses at 81mm. The Sigma 90mm F2.8 DG DN C with a length of 60mm, is 21mm shorter. On the other hand, the Sigma 90mm F2.8 DG DN C has a larger diameter of 64mm compared to the Laowa 85mm f5.6 2x Macro's 53mm diameter.
Laowa 85mm f5.6 2x Macro vs Sigma 90mm F2.8 DG DN C Lenses Size Comparison
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. Laowa 85mm f5.6 2x Macro weighs 289g, which means it is 6g (2%) lighter than the Sigma 90mm F2.8 DG DN C which has a weight of 295g.
Filter Threads
The Laowa 85mm f5.6 2x Macro has a filter size of 46mm whereas the Sigma 90mm F2.8 DG DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 46mm filters that we recommend you to consider for the Laowa 85mm f5.6 2x Macro:
And these are the 55mm filters that we recommend for the Sigma 90mm F2.8 DG DN C:
Lens Mounts
Both the Laowa 85mm f5.6 2x Macro and the Sigma 90mm F2.8 DG DN C has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3, Panasonic S5 II and Panasonic S5 II X.
Laowa 85mm f5.6 2x Macro is also available in Sony E , Leica M, Canon RF and Nikon Z mounts.
Sigma 90mm F2.8 DG DN C is also available in Sony E mount.
Focal Range
Laowa 85mm f5.6 2x Macro 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 90mm F2.8 DG DN C 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.