The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm 23mm F2.8 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. Panasonic Leica 15mm F1.7 is the longer of the two lenses at 36mm. The Fujifilm 23mm F2.8 with a length of 23mm, is 13mm shorter. On the other hand, the Fujifilm 23mm F2.8 has a larger diameter of 62mm compared to the Panasonic Leica 15mm F1.7's 58mm diameter.
Below you can find a scaled side-by-side image of Fujifilm 23mm F2.8 and Panasonic Leica 15mm F1.7 to get a better idea of how their sizes compare in real life.
Comparison image of the Fujifilm 23mm F2.8 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. Fujifilm 23mm F2.8 weighs 90g, which means it is 25g (21%) lighter than the Panasonic Leica 15mm F1.7 which has a weight of 115g.
Filter Threads
The Fujifilm 23mm F2.8 has a filter size of 39mm 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 39mm filters that we recommend you to consider for the Fujifilm 23mm F2.8:
And these are the 46mm filters that we recommend for the Panasonic Leica 15mm F1.7:
Lens Mounts
The Fujifilm 23mm F2.8 has the Fujifilm X lens mount whereas the Panasonic Leica 15mm F1.7 has the Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Fujifilm 23mm F2.8 is a prime lens with fixed focal lenght of 23mm which has an effective (full-frame 35mm equivalent) focal range of
34.5mm when used on a APS-C / DX 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.
