The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kamlan 28mm F1.4 and the Sigma 28mm F1.4 DG HSM A for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 28mm F1.4 DG HSM A is the longer of the two lenses at 108mm. The Kamlan 28mm F1.4 with a length of 65mm, is 43mm shorter. Besides being longer, the Sigma 28mm F1.4 DG HSM A also has a larger diameter of 83mm compared to the Kamlan 28mm F1.4's 55mm diameter.
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. Kamlan 28mm F1.4 weighs 384g, which means it is 541g (58%) lighter than the Sigma 28mm F1.4 DG HSM A which has a weight of 925g.
Filter Threads
The Kamlan 28mm F1.4 has a filter size of 52mm whereas the Sigma 28mm F1.4 DG HSM A 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 52mm filters that we recommend you to consider for the Kamlan 28mm F1.4:
And these are the 77mm filters that we recommend for the Sigma 28mm F1.4 DG HSM A:
Lens Mounts
The Kamlan 28mm F1.4 has the Micro Four Thirds lens mount whereas the Sigma 28mm F1.4 DG HSM A has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Kamlan 28mm F1.4 is also available in the Canon EF-M , Fujifilm X and Sony E mounts.
Sigma 28mm F1.4 DG HSM A is also available in Canon EF , Nikon F (FX), Sigma SA and Leica L mounts.
Focal Range
Both lenses have the same focal range of
28mm and the fastest aperture of
F1.4.
