The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 27mm F2.8 R WR and the Panasonic 20mm F1.7 II ASPH 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 20mm F1.7 II ASPH is the longer of the two lenses at 26mm. The Fujifilm XF 27mm F2.8 R WR with a length of 23mm, is 3mm shorter. Besides being longer, the Panasonic 20mm F1.7 II ASPH also has a larger diameter of 63mm compared to the Fujifilm XF 27mm F2.8 R WR's 62mm diameter.
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 XF 27mm F2.8 R WR weighs 84g, which means it is 3g (3%) lighter than the Panasonic 20mm F1.7 II ASPH which has a weight of 87g.
Filter Threads
The Fujifilm XF 27mm F2.8 R WR has a filter size of 39mm whereas the Panasonic 20mm F1.7 II ASPH 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 XF 27mm F2.8 R WR:
And these are the 46mm filters that we recommend for the Panasonic 20mm F1.7 II ASPH:
Lens Mounts
The Fujifilm XF 27mm F2.8 R WR has the Fujifilm X lens mount whereas the Panasonic 20mm F1.7 II ASPH 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 XF 27mm F2.8 R WR is a prime lens with fixed focal lenght of 27mm which has an effective (full-frame 35mm equivalent) focal range of
40.5mm when used on a APS-C / DX format camera.
On the other hand, the Panasonic 20mm F1.7 II ASPH is a prime lens with fixed focal lenght of 20mm which has an effective (full-frame 35mm equivalent) focal range of 40mm when used on a FourThirds format camera.
