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 TTArtisan AF 14mm F3.5 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. Sigma 15mm f1.4 DC C is the longer of the two lenses at 65mm. The TTArtisan AF 14mm F3.5 with a length of 36mm, is 29mm shorter. Besides being longer, the Sigma 15mm f1.4 DC C also has a larger diameter of 64mm compared to the TTArtisan AF 14mm F3.5's 62mm 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. TTArtisan AF 14mm F3.5 weighs 98g, 56% (127g) lighter than the Sigma 15mm f1.4 DC C's weight of 225g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Fujifilm X Mount for size comparison purposes.
Wideangle Lenses in Fujifilm X Mount for Size Comparison
Filter Threads
The Sigma 15mm f1.4 DC C has a filter size of 58mm whereas the TTArtisan AF 14mm F3.5 has a 39mm 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 39mm filters that we recommend for the TTArtisan AF 14mm F3.5:
Lens Mounts
Both the Sigma 15mm f1.4 DC C and the TTArtisan AF 14mm F3.5 has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5.
Sigma 15mm f1.4 DC C is also available in the Canon RF and Sony E mounts.
TTArtisan AF 14mm F3.5 is also available in Sony E mount.
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 TTArtisan AF 14mm F3.5 is a prime lens with fixed focal lenght of 14mm which has an effective (full-frame 35mm equivalent) focal range of 21mm when used on a APS-C / DX format camera.
