The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan AF 14mm F3.5 and the Sigma 19mm F2.8 EX DN 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 19mm F2.8 EX DN is the longer of the two lenses at 46mm. The TTArtisan AF 14mm F3.5 with a length of 37mm, is 9mm shorter. On the other hand, the TTArtisan AF 14mm F3.5 has a larger diameter of 63mm compared to the Sigma 19mm F2.8 EX DN's 61mm 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, which means it is 42g (30%) lighter than the Sigma 19mm F2.8 EX DN which has a weight of 140g.
Filter Threads
The TTArtisan AF 14mm F3.5 has a filter size of 39mm whereas the Sigma 19mm F2.8 EX DN has a 46mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 39mm filters that we recommend you to consider for the TTArtisan AF 14mm F3.5:
And these are the 46mm filters that we recommend for the Sigma 19mm F2.8 EX DN:
Lens Mounts
The TTArtisan AF 14mm F3.5 has the Sony E lens mount whereas the Sigma 19mm F2.8 EX DN has the Micro Four Thirds 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 , and for the Micro Four Thirds Mount.
TTArtisan AF 14mm F3.5 is also available in the Fujifilm X mount.
Sigma 19mm F2.8 EX DN is also available in Sony E mount.
Focal Range
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.
On the other hand, the Sigma 19mm F2.8 EX DN is a prime lens with fixed focal lenght of 19mm which has an effective (full-frame 35mm equivalent) focal range of 28.5mm when used on a APS-C / DX format camera.
