The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kamlan 8mm F3.0 Fisheye and the Sony E 10-18mm F4 OSS 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. Sony E 10-18mm F4 OSS weighs 225g, 8% (20g) lighter than the Kamlan 8mm F3.0 Fisheye's weight of 245g.
Lens Mounts
Both the Kamlan 8mm F3.0 Fisheye and the Sony E 10-18mm F4 OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II, Sony A6700 and Sony FX30.
Kamlan 8mm F3.0 Fisheye is also available in the Canon EF-M mount.
Focal Range
Kamlan 8mm F3.0 Fisheye is a prime lens with fixed focal lenght of 8mm which has an effective (full-frame 35mm equivalent) focal range of
12mm when used on a APS-C / DX format camera.
On the other hand, the Sony E 10-18mm F4 OSS has a focal range of 10-18mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 15-27mm when used on a APS-C / DX format camera.
