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 Sony 28mm F2.8 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. Kamlan 28mm F1.4 is the longer of the two lenses at 65mm. The Sony 28mm F2.8 with a length of 43mm, is 22mm shorter. On the other hand, the Sony 28mm F2.8 has a larger diameter of 66mm 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. Sony 28mm F2.8 weighs 185g, 51% (199g) lighter than the Kamlan 28mm F1.4's weight of 384g.
Filter Threads
The Kamlan 28mm F1.4 has a filter size of 52mm whereas the Sony 28mm F2.8 has a 49mm 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 49mm filters that we recommend for the Sony 28mm F2.8:
Lens Mounts
The Kamlan 28mm F1.4 has the Sony E lens mount whereas the Sony 28mm F2.8 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 28mm F1.4 is also available in the Canon EF-M , Fujifilm X and Micro Four Thirds mounts.
Focal Range
Both lenses have the same focal range of
28mm but while Kamlan 28mm F1.4 has the fastest aperture of
F1.4, the Sony 28mm F2.8's widest aperture value is
F2.8.
