The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 25mm F1.8 Lite and the Sigma 56mm F1.4 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 56mm F1.4 DC DN C is the longer of the two lenses at 60mm. The 7artisans 25mm F1.8 Lite with a length of 51mm, is 9mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 67mm.
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 Lite weighs 183g, which means it is 97g (34%) lighter than the Sigma 56mm F1.4 DC DN C which has a weight of 280g.
Filter Threads
The 7artisans 25mm F1.8 Lite has a filter size of 58mm whereas the Sigma 56mm F1.4 DC DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the 7artisans 25mm F1.8 Lite:
And these are the 55mm filters that we recommend for the Sigma 56mm F1.4 DC DN C:
Lens Mounts
The 7artisans 25mm F1.8 Lite has the Sony E lens mount whereas the Sigma 56mm F1.4 DC DN C has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
7artisans 25mm F1.8 Lite is also available in the Fujifilm X and Nikon Z mounts.
Sigma 56mm F1.4 DC DN C is also available in Sony E and Leica L mounts.
Focal Range
7artisans 25mm F1.8 Lite 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 Sigma 56mm F1.4 DC DN C is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of 112mm when used on a APS-C / DX format camera.
