The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 16mm f1.8 FE 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 AF 16mm f1.8 FE is the longer of the two lenses at 103mm. The Tamron 11-20mm F2.8 A with a length of 86mm, is 17mm shorter. Besides being longer, the Viltrox AF 16mm f1.8 FE also has a larger diameter of 85mm 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, 39% (215g) lighter than the Viltrox AF 16mm f1.8 FE's weight of 550g.
Filter Threads
The Viltrox AF 16mm f1.8 FE has a filter size of 77mm whereas the Tamron 11-20mm F2.8 A 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 Viltrox AF 16mm f1.8 FE:
And these are the 67mm filters that we recommend for the Tamron 11-20mm F2.8 A:
Lens Mounts
Both the Viltrox AF 16mm f1.8 FE and the Tamron 11-20mm F2.8 A has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Focal Range
Viltrox AF 16mm f1.8 FE is a prime lens with fixed focal lenght of 16mm.
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.
