The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 30mm F1.4 C 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. Sigma 30mm F1.4 C weighs 265g, which means it is 335g (55%) lighter than the Kamlan 50mm F1.1 II which has a weight of 600g.
Filter Threads
The Sigma 30mm F1.4 C has a filter size of 52mm 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 52mm filters that we recommend you to consider for the Sigma 30mm F1.4 C:
And these are the 62mm filters that we recommend for the Kamlan 50mm F1.1 II:
Lens Mounts
The Sigma 30mm F1.4 C has the Leica L lens mount whereas the Kamlan 50mm F1.1 II has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Leica TL2, Leica TL and Leica T Typ 701 for the Leica L Mount and , and for the Micro Four Thirds Mount.
Sigma 30mm F1.4 C is also available in the Sony E , Micro Four Thirds, Fujifilm X, Nikon Z and Canon RF mounts.
Kamlan 50mm F1.1 II is also available in Canon EF-M , Fujifilm X and Sony E mounts.
Focal Range
Sigma 30mm F1.4 C 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 / DX format camera.
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.
