The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sirui 85mm F1.4 Z and the Tamron 90mm F2.8 Di III 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. Tamron 90mm F2.8 Di III is the longer of the two lenses at 126mm. The Sirui 85mm F1.4 Z with a length of 102mm, is 24mm shorter. On the other hand, the Sirui 85mm F1.4 Z has a larger diameter of 80mm compared to the Tamron 90mm F2.8 Di III's 79mm diameter.
Below you can find a scaled side-by-side image of Sirui 85mm F1.4 Z and Tamron 90mm F2.8 Di III to get a better idea of how their sizes compare in real life.
Comparison image of the Sirui 85mm F1.4 Z and the Tamron 90mm F2.8 Di III 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. Sirui 85mm F1.4 Z weighs 540g, which means it is 90g (14%) lighter than the Tamron 90mm F2.8 Di III which has a weight of 630g.
Filter Threads
Both the Sirui 85mm F1.4 Z and the Tamron 90mm F2.8 Di III have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sirui 85mm F1.4 Z and the Tamron 90mm F2.8 Di III has the same Nikon Z lens mount . Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z .
Sony E mount.
Focal Range
Sirui 85mm F1.4 Z 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 Tamron 90mm F2.8 Di III 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 .
