The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 15mm f1.4 DC C and the Viltrox AF 16mm f1.8 L 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 L is the longer of the two lenses at 103mm. The Sigma 15mm f1.4 DC C with a length of 65mm, is 38mm shorter. Besides being longer, the Viltrox AF 16mm f1.8 L also has a larger diameter of 85mm compared to the Sigma 15mm f1.4 DC C's 64mm 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. Sigma 15mm f1.4 DC C weighs 220g, which means it is 330g (60%) lighter than the Viltrox AF 16mm f1.8 L which has a weight of 550g.
Filter Threads
The Sigma 15mm f1.4 DC C has a filter size of 58mm whereas the Viltrox AF 16mm f1.8 L has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Sigma 15mm f1.4 DC C:
And these are the 77mm filters that we recommend for the Viltrox AF 16mm f1.8 L:
Lens Mounts
The Sigma 15mm f1.4 DC C has the Sony E lens mount whereas the Viltrox AF 16mm f1.8 L has the Leica L lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z for the Leica L Mount.
Sigma 15mm f1.4 DC C is also available in the Canon RF and Fujifilm X mounts.
Focal Range
Sigma 15mm f1.4 DC C is a prime lens with fixed focal lenght of 15mm which has an effective (full-frame 35mm equivalent) focal range of
22.5mm when used on a APS-C / DX format camera.
On the other hand, the Viltrox AF 16mm f1.8 L is a prime lens with fixed focal lenght of 16mm.
