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 ED 7-14mm F2.8 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 7-14mm F2.8 PRO is the longer of the two lenses at 106mm. The OM System 17mm F1.8 II with a length of 36mm, is 70mm shorter. Besides being longer, the Olympus ED 7-14mm F2.8 PRO also has a larger diameter of 79mm 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 ED 7-14mm F2.8 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 ED 7-14mm F2.8 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 422g (79%) lighter than the Olympus ED 7-14mm F2.8 PRO which has a weight of 534g.
Lens Mounts
Both the OM System 17mm F1.8 II and the Olympus ED 7-14mm F2.8 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 System 17mm F1.8 II 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 Olympus ED 7-14mm F2.8 PRO has a focal range of 7-14mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 14-28mm when used on a FourThirds format camera.