The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 75mm F1.8 X and the Kamlan 50mm F1.1 II 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. Samyang AF 75mm F1.8 X weighs 257g, which means it is 343g (57%) lighter than the Kamlan 50mm F1.1 II which has a weight of 600g.
Filter Threads
Both the Samyang AF 75mm F1.8 X and the Kamlan 50mm F1.1 II have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Samyang AF 75mm F1.8 X has the Fujifilm X lens mount whereas the Kamlan 50mm F1.1 II has the Canon EF-M lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and , and for the Canon EF-M Mount.
Kamlan 50mm F1.1 II is also available in Fujifilm X , Micro Four Thirds and Sony E mounts.
Focal Range
Samyang AF 75mm F1.8 X is a prime lens with fixed focal lenght of 75mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
112.5mm.
On the other hand, the Kamlan 50mm F1.1 II is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of 75mm when used on a APS-C / DX format camera.
