The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 16-30mm f2.8 and the 7Artisans FF 18mm f5.6 Z 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 16-30mm f2.8 is the longer of the two lenses at 104mm. The 7Artisans FF 18mm f5.6 Z with a length of 32mm, is 72mm shorter. Besides being longer, the Tamron 16-30mm f2.8 also has a larger diameter of 75mm compared to the 7Artisans FF 18mm f5.6 Z's 61mm diameter.
Below you can find a scaled side-by-side image of Tamron 16-30mm f2.8 and 7Artisans FF 18mm f5.6 Z to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 16-30mm f2.8 and the 7Artisans FF 18mm f5.6 Z 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. 7Artisans FF 18mm f5.6 Z weighs 146g, 67% (304g) lighter than the Tamron 16-30mm f2.8's weight of 450g.
Filter Threads
The Tamron 16-30mm f2.8 has a filter size of 67mm whereas the 7Artisans FF 18mm f5.6 Z has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 16-30mm f2.8:
And these are the 49mm filters that we recommend for the 7Artisans FF 18mm f5.6 Z:
Lens Mounts
Both the Tamron 16-30mm f2.8 and the 7Artisans FF 18mm f5.6 Z 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 .
Focal Range
Tamron 16-30mm f2.8 has a focal range of 16-30mm and
1.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 45mm .
On the other hand, the 7Artisans FF 18mm f5.6 Z is a prime lens with fixed focal lenght of 18mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 27mm .
