The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 50mm f1.2 APS-C and the Sigma 18-50mm 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. Sigma 18-50mm F2.8 DC DN C is the longer of the two lenses at 77mm. The 7Artisans 50mm f1.2 APS-C with a length of 68mm, is 9mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 62mm.
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 285g, 30% (125g) lighter than the 7Artisans 50mm f1.2 APS-C's weight of 410g.
Filter Threads
Both the 7Artisans 50mm f1.2 APS-C and the Sigma 18-50mm F2.8 DC DN C have the same Filter thread size of 55mm.
Below are links to the 55mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the 7Artisans 50mm f1.2 APS-C and the Sigma 18-50mm F2.8 DC DN C has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5.
7Artisans 50mm f1.2 APS-C is also available in the Sony E , Nikon Z and MFT mounts.
Sigma 18-50mm F2.8 DC DN C is also available in Leica L and Sony E mounts.
Focal Range
7Artisans 50mm f1.2 APS-C is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of
75mm when used on a APS-C / DX format camera.
On the other hand, the 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.
