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 Sigma 50mm F1.4 EX DG HSM 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 50mm F1.4 EX DG HSM weighs 505g, 15% (95g) lighter than the Kamlan 50mm F1.1 II's weight of 600g.
Filter Threads
The Kamlan 50mm F1.1 II has a filter size of 62mm whereas the Sigma 50mm F1.4 EX DG HSM has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Kamlan 50mm F1.1 II:
And these are the 77mm filters that we recommend for the Sigma 50mm F1.4 EX DG HSM:
Lens Mounts
The Kamlan 50mm F1.1 II has the Sony E lens mount whereas the Sigma 50mm F1.4 EX DG HSM has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Kamlan 50mm F1.1 II is also available in the Canon EF-M , Fujifilm X and Micro Four Thirds mounts.
Sigma 50mm F1.4 EX DG HSM is also available in Canon EF , Pentax KAF3, Sigma SA, Nikon F (FX) and Four Thirds mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Kamlan 50mm F1.1 II has the fastest aperture of
F1.1, the Sigma 50mm F1.4 EX DG HSM's widest aperture value is
F1.4.
