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 10-18mm F4 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. Sigma 18-50mm F2.8 DC DN C is the longer of the two lenses at 75mm. The Sony E 10-18mm F4 OSS with a length of 64mm, is 11mm shorter. On the other hand, the Sony E 10-18mm F4 OSS has a larger diameter of 70mm compared to the Sigma 18-50mm F2.8 DC DN C's 65mm diameter.
Below you can find a scaled side-by-side image of Sigma 18-50mm F2.8 DC DN C and Sony E 10-18mm F4 OSS to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 18-50mm F2.8 DC DN C and the Sony E 10-18mm F4 OSS Size and Weight 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, 22% (65g) lighter than the Sigma 18-50mm F2.8 DC DN C's weight of 290g.
Filter Threads
The Sigma 18-50mm F2.8 DC DN C has a filter size of 55mm whereas the Sony E 10-18mm F4 OSS has a 62mm 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 62mm filters that we recommend for the Sony E 10-18mm F4 OSS:
Lens Mounts
Both the Sigma 18-50mm F2.8 DC DN C 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 .
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 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.
