The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 20mm F2.8 Di III OSD M1:2 and the Sony CZ T* E 24mm F1.8 ZA 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. Sony CZ T* E 24mm F1.8 ZA is the longer of the two lenses at 66mm. The Tamron 20mm F2.8 Di III OSD M1:2 with a length of 64mm, is 2mm shorter. On the other hand, the Tamron 20mm F2.8 Di III OSD M1:2 has a larger diameter of 73mm compared to the Sony CZ T* E 24mm F1.8 ZA'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. Tamron 20mm F2.8 Di III OSD M1:2 weighs 220g, which means it is 5g (2%) lighter than the Sony CZ T* E 24mm F1.8 ZA which has a weight of 225g.
Filter Threads
The Tamron 20mm F2.8 Di III OSD M1:2 has a filter size of 67mm whereas the Sony CZ T* E 24mm F1.8 ZA 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 67mm filters that we recommend you to consider for the Tamron 20mm F2.8 Di III OSD M1:2:
And these are the 49mm filters that we recommend for the Sony CZ T* E 24mm F1.8 ZA:
Lens Mounts
Both the Tamron 20mm F2.8 Di III OSD M1:2 and the Sony CZ T* E 24mm F1.8 ZA has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Focal Range
Tamron 20mm F2.8 Di III OSD M1:2 is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
30mm.
On the other hand, the Sony CZ T* E 24mm F1.8 ZA is a prime lens with fixed focal lenght of 24mm which has an effective (full-frame 35mm equivalent) focal range of 36mm when used on a APS-C / DX format camera.