The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 25mm F1.8 and the Samyang T-S 24mm f3.5 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 T-S 24mm f3.5 is the longer of the two lenses at 112mm. The 7artisans 25mm F1.8 with a length of 32mm, is 80mm shorter. Besides being longer, the Samyang T-S 24mm f3.5 also has a larger diameter of 86mm compared to the 7artisans 25mm F1.8's 51mm 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. 7artisans 25mm F1.8 weighs 143g, which means it is 537g (78%) lighter than the Samyang T-S 24mm f3.5 which has a weight of 680g.
Filter Threads
The 7artisans 25mm F1.8 has a filter size of 46mm whereas the Samyang T-S 24mm f3.5 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 46mm filters that we recommend you to consider for the 7artisans 25mm F1.8:
And these are the 82mm filters that we recommend for the Samyang T-S 24mm f3.5:
Lens Mounts
Both the 7artisans 25mm F1.8 and the Samyang T-S 24mm f3.5 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.
7artisans 25mm F1.8 is also available in Canon EF-M , Fujifilm X and Micro Four Thirds mounts.
Samyang T-S 24mm f3.5 is also available in Canon EF , Nikon F (FX), Pentax KAF and Sony Alpha mounts.
Focal Range
7artisans 25mm F1.8 is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
37.5mm when used on a APS-C / DX format camera.
On the other hand, the Samyang T-S 24mm f3.5 is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36mm.