The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kamlan 50mm F1.1 II and the Zeiss Touit 50mm f2.8 for their suitability to various photography scenarios:
Size and Weight Comparison
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. Zeiss Touit 50mm f2.8 weighs 290g, 51% (310g) lighter than the Kamlan 50mm F1.1 II's weight of 600g.
Both Kamlan 50mm F1.1 II has the Canon EF-M lens mount whereas the Zeiss Touit 50mm f2.8 has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Canon EF-M Mount and Fujifilm X-T5, Fujifilm X-H2 and Fujifilm X-H2S for the Fujifilm X Mount.
Kamlan 50mm F1.1 II is also available in Fujifilm X , Micro Four Thirds and Sony E mounts.
Zeiss Touit 50mm f2.8 is also available in Sony E mount.