The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM System 17mm F1.8 II and the Olympus 17mm F1.2 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 17mm F1.2 Pro is the longer of the two lenses at 87mm. The OM System 17mm F1.8 II with a length of 36mm, is 51mm shorter. Besides being longer, the Olympus 17mm F1.2 Pro also has a larger diameter of 68mm compared to the OM System 17mm F1.8 II's 58mm diameter.
Below you can find a scaled side-by-side image of OM System 17mm F1.8 II and Olympus 17mm F1.2 Pro to get a better idea of how their sizes compare in real life.
Comparison image of the OM System 17mm F1.8 II and the Olympus 17mm F1.2 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 System 17mm F1.8 II weighs 112g, which means it is 278g (71%) lighter than the Olympus 17mm F1.2 Pro which has a weight of 390g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Micro Four Thirds Mount for size comparison purposes.
Wideangle Lenses in Micro Four Thirds Mount for Size Comparison
Filter Threads
The OM System 17mm F1.8 II has a filter size of 46mm whereas the Olympus 17mm F1.2 Pro has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 46mm filters that we recommend you to consider for the OM System 17mm F1.8 II:
And these are the 62mm filters that we recommend for the Olympus 17mm F1.2 Pro:
Lens Mounts
Both the OM System 17mm F1.8 II and the Olympus 17mm F1.2 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
Both lenses have the same focal range of
17mm but while OM System 17mm F1.8 II has the fastest aperture of
F1.8 , the Olympus 17mm F1.2 Pro's widest aperture value is
F1.2 .