The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 12-20mm f2.8 and the TTArtisan 17mm F4 TS 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 12-20mm f2.8 is the longer of the two lenses at 121mm. The TTArtisan 17mm F4 TS with a length of 116mm, is 5mm shorter. Besides being longer, the Tamron 12-20mm f2.8 also has a larger diameter of 90mm compared to the TTArtisan 17mm F4 TS's 88mm 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 12-20mm f2.8 weighs 585g, which means it is 466g (44%) lighter than the TTArtisan 17mm F4 TS which has a weight of 1051g.
Lens Mounts
Both the Tamron 12-20mm f2.8 and the TTArtisan 17mm F4 TS 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.
Tamron 12-20mm f2.8 is also available in the Sony E mount.
TTArtisan 17mm F4 TS is also available in Sony E , Fujifilm G, Canon RF and Leica L mounts.
Focal Range
Tamron 12-20mm f2.8 has a focal range of 12-20mm and
1.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
18 - 30mm.
On the other hand, the TTArtisan 17mm F4 TS is a prime lens with fixed focal lenght of 17mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 25.5mm.
