The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans AF 27mm F2.8 and the Viltrox 25mm F1.7 X 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. Viltrox 25mm F1.7 X is the longer of the two lenses at 56mm. The 7Artisans AF 27mm F2.8 with a length of 42mm, is 14mm shorter. Besides being longer, the Viltrox 25mm F1.7 X also has a larger diameter of 64mm compared to the 7Artisans AF 27mm F2.8's 61mm diameter.
Below you can find a scaled side-by-side image of 7Artisans AF 27mm F2.8 and Viltrox 25mm F1.7 X to get a better idea of how their sizes compare in real life.
Comparison image of the 7Artisans AF 27mm F2.8 and the Viltrox 25mm F1.7 X 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. 7Artisans AF 27mm F2.8 weighs 144g, which means it is 36g (19%) lighter than the Viltrox 25mm F1.7 X which has a weight of 180g.
Filter Threads
The 7Artisans AF 27mm F2.8 has a filter size of 39mm whereas the Viltrox 25mm F1.7 X has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 39mm filters that we recommend you to consider for the 7Artisans AF 27mm F2.8:
And these are the 52mm filters that we recommend for the Viltrox 25mm F1.7 X:
Lens Mounts
Both the 7Artisans AF 27mm F2.8 and the Viltrox 25mm F1.7 X 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 .
Focal Range
7Artisans AF 27mm F2.8 is a prime lens with fixed focal lenght of 27mm which has an effective (full-frame 35mm equivalent) focal range of
40.5mm when used on a APS-C / DX format camera.
On the other hand, the Viltrox 25mm F1.7 X 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.
