The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM System 25mm F1.8 II 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 System 25mm F1.8 II with a length of 41mm, is 29mm shorter. Besides being longer, the Olympus ED 12-45mm F4 Pro also has a larger diameter of 63mm compared to the OM System 25mm F1.8 II's 56mm diameter.
Below you can find a scaled side-by-side image of OM System 25mm F1.8 II 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 System 25mm F1.8 II 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 System 25mm F1.8 II weighs 156g, which means it is 98g (38%) lighter than the Olympus ED 12-45mm F4 Pro which has a weight of 254g.
Filter Threads
The OM System 25mm F1.8 II has a filter size of 46mm whereas the Olympus ED 12-45mm F4 Pro has a 58mm 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 25mm F1.8 II:
And these are the 58mm filters that we recommend for the Olympus ED 12-45mm F4 Pro:
Lens Mounts
Both the OM System 25mm F1.8 II 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 System 25mm F1.8 II is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
50mm 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.
