The type of photography that you are planning to use is an important decision factor. Here we have evaluated the SG-image 25mm F1.8 and the Fujifilm XF 27mm F2.8 R WR 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. SG-image 25mm F1.8 is the longer of the two lenses at 32mm. The Fujifilm XF 27mm F2.8 R WR with a length of 23mm, is 9mm shorter. Besides being longer, the SG-image 25mm F1.8 also has a larger diameter of 67mm 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, 42% (61g) lighter than the SG-image 25mm F1.8's weight of 145g.
Filter Threads
The SG-image 25mm F1.8 has a filter size of 52mm whereas the Fujifilm XF 27mm F2.8 R WR has a 39mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the SG-image 25mm F1.8:
And these are the 39mm filters that we recommend for the Fujifilm XF 27mm F2.8 R WR:
Lens Mounts
The SG-image 25mm F1.8 has the Nikon Z lens mount whereas the Fujifilm XF 27mm F2.8 R WR has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are RED Komodo-X 6K Z, Nikon Z50 II and Nikon Z30 for the Nikon Z Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
SG-image 25mm F1.8 is also available in the Sony E and Fujifilm X mounts.
Focal Range
SG-image 25mm F1.8 is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
37.5mm when used on a APS-C / DX format camera.
On the other hand, the 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.
