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 12-45mm F4 Pro 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 12-45mm F4 Pro is the longer of the two lenses at 70mm. The OM ED 20mm F1.4 Pro with a length of 62mm, is 8mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 63mm.
Below you can find a scaled side-by-side image of OM ED 20mm F1.4 Pro and Olympus ED 12-45mm F4 Pro 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 12-45mm F4 Pro 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 7g (2%) lighter than the Olympus ED 12-45mm F4 Pro which has a weight of 254g.
Filter Threads
Both the OM ED 20mm F1.4 Pro and the Olympus ED 12-45mm F4 Pro have the same Filter thread size of 58mm .
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the OM ED 20mm F1.4 Pro and the Olympus ED 12-45mm F4 Pro 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 12-45mm F4 Pro has a focal range of 12-45mm and 3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-90mm when used on a FourThirds format camera.
