The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 18-50mm F2.8 DC DN C and the Sony E PZ 18-105mm F4 G OSS 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. Sony E PZ 18-105mm F4 G OSS is the longer of the two lenses at 110mm. The Sigma 18-50mm F2.8 DC DN C with a length of 75mm, is 35mm shorter. Besides being longer, the Sony E PZ 18-105mm F4 G OSS also has a larger diameter of 78mm compared to the Sigma 18-50mm F2.8 DC DN C's 65mm 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. Sigma 18-50mm F2.8 DC DN C weighs 290g, which means it is 192g (39%) lighter than the Sony E PZ 18-105mm F4 G OSS which has a weight of 482g.
Check Our Video Review of the Sigma 18-50mm F2.8 DC DN C - Please Subscribe!
Filter Threads
The Sigma 18-50mm F2.8 DC DN C has a filter size of 55mm whereas the Sony E PZ 18-105mm F4 G OSS has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Sigma 18-50mm F2.8 DC DN C:
And these are the 72mm filters that we recommend for the Sony E PZ 18-105mm F4 G OSS:
Lens Mounts
Both the Sigma 18-50mm F2.8 DC DN C and the Sony E PZ 18-105mm F4 G OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Sigma 18-50mm F2.8 DC DN C is also available in Leica L and Fujifilm X mounts.
Focal Range
Sigma 18-50mm F2.8 DC DN C has a focal range of 18-50mm and
2.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-75mm when used on a APS-C / DX format camera.
On the other hand, the Sony E PZ 18-105mm F4 G OSS has a focal range of 18-105mm and 5.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-157.5mm when used on a APS-C / DX format camera.