The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 50mm F1.4 AS UMC 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 50mm F1.4 AS UMC weighs 535g, which means it is 65g (10%) lighter than the Kamlan 50mm F1.1 II which has a weight of 600g.
Filter Threads
The Samyang 50mm F1.4 AS UMC has a filter size of 77mm whereas the Kamlan 50mm F1.1 II 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 77mm filters that we recommend you to consider for the Samyang 50mm F1.4 AS UMC:
And these are the 62mm filters that we recommend for the Kamlan 50mm F1.1 II:
Lens Mounts
The Samyang 50mm F1.4 AS UMC has the Sony E 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 Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and , and for the Canon EF-M Mount.
Samyang 50mm F1.4 AS UMC is also available in the Canon EF , Nikon F (FX), Pentax KAF and Sony Alpha mounts.
Kamlan 50mm F1.1 II is also available in Fujifilm X , Micro Four Thirds and Sony E mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Samyang 50mm F1.4 AS UMC has the fastest aperture of
F1.4, the Kamlan 50mm F1.1 II's widest aperture value is
F1.1.