The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus ED 12-45mm F4 Pro and the Panasonic Leica 15mm F1.7 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 Panasonic Leica 15mm F1.7 with a length of 36mm, is 34mm shorter. Besides being longer, the Olympus ED 12-45mm F4 Pro also has a larger diameter of 63mm compared to the Panasonic Leica 15mm F1.7's 58mm diameter.
Below you can find a scaled side-by-side image of Olympus ED 12-45mm F4 Pro and Panasonic Leica 15mm F1.7 to get a better idea of how their sizes compare in real life.
Comparison image of the Olympus ED 12-45mm F4 Pro and the Panasonic Leica 15mm F1.7 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. Panasonic Leica 15mm F1.7 weighs 115g, 54% (139g) lighter than the Olympus ED 12-45mm F4 Pro's weight of 254g.
Filter Threads
The Olympus ED 12-45mm F4 Pro has a filter size of 58mm whereas the Panasonic Leica 15mm F1.7 has a 46mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Olympus ED 12-45mm F4 Pro:
And these are the 46mm filters that we recommend for the Panasonic Leica 15mm F1.7:
Lens Mounts
Both the Olympus ED 12-45mm F4 Pro and the Panasonic Leica 15mm F1.7 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
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.
On the other hand, the Panasonic Leica 15mm F1.7 is a prime lens with fixed focal lenght of 15mm which has an effective (full-frame 35mm equivalent) focal range of 30mm when used on a FourThirds format camera.
