The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 14-24mm F2.8 and the Sigma 10-18mm F2.8 DC DN C 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. Samyang 14-24mm F2.8 is the longer of the two lenses at 89mm. The Sigma 10-18mm F2.8 DC DN C with a length of 64mm, is 25mm shorter. Besides being longer, the Samyang 14-24mm F2.8 also has a larger diameter of 84mm compared to the Sigma 10-18mm F2.8 DC DN C's 72mm diameter.
Below you can find a scaled side-by-side image of Samyang 14-24mm F2.8 and Sigma 10-18mm F2.8 DC DN C to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang 14-24mm F2.8 and the Sigma 10-18mm F2.8 DC DN C 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. Sigma 10-18mm F2.8 DC DN C weighs 255g, 42% (190g) lighter than the Samyang 14-24mm F2.8's weight of 445g.
Filter Threads
The Samyang 14-24mm F2.8 has a filter size of 77mm whereas the Sigma 10-18mm F2.8 DC DN C has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Samyang 14-24mm F2.8:
And these are the 67mm filters that we recommend for the Sigma 10-18mm F2.8 DC DN C:
Lens Mounts
The Samyang 14-24mm F2.8 has the Sony E lens mount whereas the Sigma 10-18mm F2.8 DC DN C has the Canon RF lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Canon R50 V , Canon R100 and Canon R50 for the Canon RF Mount.
Sony E , Leica L and Fujifilm X mounts.
Focal Range
Samyang 14-24mm F2.8 has a focal range of 14-24mm and
1.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
21 - 36mm .
On the other hand, the Sigma 10-18mm F2.8 DC DN C has a focal range of 10-18mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-28.8mm when used on a APS-C / DX format camera.
