The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM ED 20mm F1.4 Pro 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 OM ED 20mm F1.4 Pro with a length of 62mm, is 18mm shorter. On the other hand, the OM ED 20mm F1.4 Pro 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 OM ED 20mm F1.4 Pro and Olympus ED 8mm F1.8 Fisheye to get a better idea of how their sizes compare in real life.
Comparison image of the OM ED 20mm F1.4 Pro 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. OM ED 20mm F1.4 Pro weighs 247g, which means it is 67g (21%) lighter than the Olympus ED 8mm F1.8 Fisheye which has a weight of 314g.
Lens Mounts
Both the OM ED 20mm F1.4 Pro and the Olympus ED 8mm F1.8 Fisheye has the same Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 .
Focal Range
OM ED 20mm F1.4 Pro is a prime lens with fixed focal lenght of 20mm which has an effective (full-frame 35mm equivalent) focal range of
40mm when used on a FourThirds 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.
