The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 12mm F2.8 and the Olympus ED 8mm F1.8 Fisheye 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. Olympus ED 8mm F1.8 Fisheye is the longer of the two lenses at 80mm. The 7artisans 12mm F2.8 with a length of 66mm, is 14mm shorter. On the other hand, the 7artisans 12mm F2.8 has a larger diameter of 63mm compared to the Olympus ED 8mm F1.8 Fisheye's 62mm diameter.
Below you can find a scaled side-by-side image of 7artisans 12mm F2.8 and Olympus ED 8mm F1.8 Fisheye to get a better idea of how their sizes compare in real life.
Comparison image of the 7artisans 12mm F2.8 and the Olympus ED 8mm F1.8 Fisheye 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 12mm F2.8 weighs 295g, which means it is 19g (6%) lighter than the Olympus ED 8mm F1.8 Fisheye which has a weight of 314g.
Lens Mounts
The 7artisans 12mm F2.8 has the Canon EF-M lens mount whereas the Olympus ED 8mm F1.8 Fisheye has the Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with these mounts are Canon M50 II , Canon M200 and Canon M6 MII for the Canon EF-M Mount and OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Sony E and Fujifilm X mounts.
Focal Range
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.
On the other hand, the Olympus ED 8mm F1.8 Fisheye is a prime lens with fixed focal lenght of 8mm which has an effective (full-frame 35mm equivalent) focal range of 16mm when used on a FourThirds format camera.
