The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan 27mm F2.8 and the Sony E 20mm F2.8 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. TTArtisan 27mm F2.8 is the longer of the two lenses at 41mm. The Sony E 20mm F2.8 with a length of 20mm, is 21mm shorter. Besides being longer, the TTArtisan 27mm F2.8 also has a larger diameter of 64mm compared to the Sony E 20mm F2.8's 63mm 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. Sony E 20mm F2.8 weighs 69g, 26% (25g) lighter than the TTArtisan 27mm F2.8's weight of 94g.
Filter Threads
The TTArtisan 27mm F2.8 has a filter size of 39mm whereas the Sony E 20mm F2.8 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 39mm filters that we recommend you to consider for the TTArtisan 27mm F2.8:
And these are the 49mm filters that we recommend for the Sony E 20mm F2.8:
Lens Mounts
Both the TTArtisan 27mm F2.8 and the Sony E 20mm F2.8 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II, Sony A6700 and Sony FX30.
TTArtisan 27mm F2.8 is also available in the Fujifilm X and Nikon Z mounts.
Focal Range
TTArtisan 27mm F2.8 is a prime lens with fixed focal lenght of 27mm which has an effective (full-frame 35mm equivalent) focal range of
40.5mm when used on a APS-C / DX format camera.
On the other hand, the Sony E 20mm F2.8 is a prime lens with fixed focal lenght of 20mm which has an effective (full-frame 35mm equivalent) focal range of 30mm when used on a APS-C / DX format camera.
