The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 17mm F1.8 and the 7artisans 12mm F2.8 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. 7artisans 12mm F2.8 is the longer of the two lenses at 66mm. The Venus 17mm F1.8 with a length of 51mm, is 15mm shorter. Besides being longer, the 7artisans 12mm F2.8 also has a larger diameter of 63mm compared to the Venus 17mm F1.8's 55mm 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. Venus 17mm F1.8 weighs 172g, which means it is 123g (41%) lighter than the 7artisans 12mm F2.8 which has a weight of 295g.
Filter Threads
Both the Venus 17mm F1.8 and the 7artisans 12mm F2.8 have the same Filter thread size of 46mm.
Below are links to the 46mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Venus 17mm F1.8 has the Micro Four Thirds lens mount whereas the 7artisans 12mm F2.8 has the Canon EF-M lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Canon M50 II, Canon M200 and Canon M6 MII for the Canon EF-M Mount.
7artisans 12mm F2.8 is also available in Sony E and Fujifilm X mounts.
Focal Range
Venus 17mm F1.8 is a prime lens with fixed focal lenght of 17mm which has an effective (full-frame 35mm equivalent) focal range of
34mm when used on a FourThirds format camera.
On the other hand, the 7artisans 12mm F2.8 is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of 19.2mm when used on a APS-C / DX format camera.
