The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 30mm F2.8 Macro and the Kamlan 28mm F1.4 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Fujifilm XF 30mm F2.8 Macro is the longer of the two lenses at 79mm. The Kamlan 28mm F1.4 with a length of 65mm, is 14mm shorter. Besides being longer, the Fujifilm XF 30mm F2.8 Macro also has a larger diameter of 60mm compared to the Kamlan 28mm F1.4's 55mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Fujifilm XF 30mm F2.8 Macro weighs 195g, which means it is 189g (49%) lighter than the Kamlan 28mm F1.4 which has a weight of 384g.
Both the Fujifilm XF 30mm F2.8 Macro and the Kamlan 28mm F1.4 has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T5, Fujifilm X-H2 and Fujifilm X-H2S.
Kamlan 28mm F1.4 is also available in Canon EF-M , Micro Four Thirds and Sony E mounts.
Fujifilm XF 30mm F2.8 Macro 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 format camera. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 45mm.
Kamlan 28mm F1.4 is a prime lens with fixed focal lenght of 28mm which has an effective (full-frame 35mm equivalent) focal range of 42mm when used on a APS-C / DX format camera.