The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic Leica 15mm F1.7 and the Fujifilm 18mm F2 R 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. Fujifilm 18mm F2 R is the longer of the two lenses at 41mm. The Panasonic Leica 15mm F1.7 with a length of 36mm, is 5mm shorter. Besides being longer, the Fujifilm 18mm F2 R also has a larger diameter of 65mm compared to the Panasonic Leica 15mm F1.7's 58mm diameter.
Below you can find a scaled side-by-side image of Panasonic Leica 15mm F1.7 and Fujifilm 18mm F2 R to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic Leica 15mm F1.7 and the Fujifilm 18mm F2 R 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, which means it is 1g (0%) lighter than the Fujifilm 18mm F2 R which has a weight of 116g.
Lens Mounts
The Panasonic Leica 15mm F1.7 has the Micro Four Thirds lens mount whereas the Fujifilm 18mm F2 R has the Fujifilm X lens mount . Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Focal Range
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.
On the other hand, the Fujifilm 18mm F2 R is a prime lens with fixed focal lenght of 18mm which has an effective (full-frame 35mm equivalent) focal range of 27mm when used on a APS-C / DX format camera.
