The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 13mm F1.4 Z and the Tamron 11-20mm F2.8 A 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. Viltrox 13mm F1.4 Z is the longer of the two lenses at 90mm. The Tamron 11-20mm F2.8 A with a length of 86mm, is 4mm shorter. Besides being longer, the Viltrox 13mm F1.4 Z also has a larger diameter of 74mm compared to the Tamron 11-20mm F2.8 A's 73mm 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 11-20mm F2.8 A weighs 335g, 26% (120g) lighter than the Viltrox 13mm F1.4 Z's weight of 455g.
Filter Threads
Both the Viltrox 13mm F1.4 Z and the Tamron 11-20mm F2.8 A 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
The Viltrox 13mm F1.4 Z has the Nikon Z lens mount whereas the Tamron 11-20mm F2.8 A has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are RED Komodo-X 6K Z, Nikon Z50 II and Nikon Z30 for the Nikon Z Mount and Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount.
Focal Range
Viltrox 13mm F1.4 Z is a prime lens with fixed focal lenght of 13mm which has an effective (full-frame 35mm equivalent) focal range of
19.5mm when used on a APS-C / DX format camera.
On the other hand, the Tamron 11-20mm F2.8 A has a focal range of 11-20mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16.5-30mm when used on a APS-C / DX format camera.
