The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina atx-m 56mm F1.4 E and the Kamlan 55mm F1.2 for their suitability to various photography scenarios:
Size and Weight Comparison
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. Tokina atx-m 56mm F1.4 E weighs 315g, which means it is 385g (55%) lighter than the Kamlan 55mm F1.2 which has a weight of 700g.
Filter Threads
The Tokina atx-m 56mm F1.4 E has a filter size of 52mm whereas the Kamlan 55mm F1.2 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 Tokina atx-m 56mm F1.4 E:
And these are the 62mm filters that we recommend for the Kamlan 55mm F1.2:
Lens Mounts
Both the Tokina atx-m 56mm F1.4 E and the Kamlan 55mm F1.2 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Focal Range
Tokina atx-m 56mm F1.4 E 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 Kamlan 55mm F1.2 is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.