The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Laowa 100mm F2.8 TS 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. Laowa 100mm F2.8 TS is the longer of the two lenses at 162mm. The Tamron 90mm F2.8 Di III with a length of 126mm, is 36mm shorter. Besides being longer, the Laowa 100mm F2.8 TS also has a larger diameter of 85mm compared to the Tamron 90mm F2.8 Di III's 79mm 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. Tamron 90mm F2.8 Di III weighs 630g, 48% (585g) lighter than the Laowa 100mm F2.8 TS's weight of 1215g.
Filter Threads
The Laowa 100mm F2.8 TS has a filter size of 77mm whereas the Tamron 90mm F2.8 Di III has a 67mm 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 Laowa 100mm F2.8 TS:
And these are the 67mm filters that we recommend for the Tamron 90mm F2.8 Di III:
Lens Mounts
Both the Laowa 100mm F2.8 TS 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 RED Komodo-X 6K Z, Nikon Z50 II and Nikon Z30.
Laowa 100mm F2.8 TS is also available in the Sony E , Canon RF, Leica L and Fujifilm G mounts.
Tamron 90mm F2.8 Di III is also available in Sony E mount.
Focal Range
Laowa 100mm F2.8 TS is a prime lens with fixed focal lenght of 100mm which has an effective (full-frame 35mm equivalent) focal range of
150mm when used on a 35mm FF format camera.
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.
