The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan AF 56mm F1.8 and the Sigma 30mm F1.4 DC HSM 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 30mm F1.4 DC HSM is the longer of the two lenses at 63mm. The TTArtisan AF 56mm F1.8 with a length of 56mm, is 7mm shorter. Besides being longer, the Sigma 30mm F1.4 DC HSM also has a larger diameter of 74mm compared to the TTArtisan AF 56mm F1.8's 68mm 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 56mm F1.8 weighs 233g, which means it is 202g (46%) lighter than the Sigma 30mm F1.4 DC HSM which has a weight of 435g.
Filter Threads
The TTArtisan AF 56mm F1.8 has a filter size of 52mm whereas the Sigma 30mm F1.4 DC HSM has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the TTArtisan AF 56mm F1.8:
And these are the 62mm filters that we recommend for the Sigma 30mm F1.4 DC HSM:
Lens Mounts
The TTArtisan AF 56mm F1.8 has the Fujifilm X lens mount whereas the Sigma 30mm F1.4 DC HSM has the Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount.
TTArtisan AF 56mm F1.8 is also available in the Sony E and Nikon Z mounts.
Sigma 30mm F1.4 DC HSM is also available in Canon EF and Sigma SA mounts.
Focal Range
TTArtisan AF 56mm F1.8 is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of
84mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 30mm F1.4 DC HSM is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of 45mm when used on a APS-C / DX format camera.
