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 XC 13-33mm F3.5-6.3 OIS 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 XC 13-33mm F3.5-6.3 OIS is the longer of the two lenses at 38mm. The SG-image 25mm F1.8 with a length of 32mm, is 6mm shorter. On the other hand, the SG-image 25mm F1.8 has a larger diameter of 67mm compared to the Fujifilm XC 13-33mm F3.5-6.3 OIS'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 XC 13-33mm F3.5-6.3 OIS weighs 125g, 13% (20g) 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 XC 13-33mm F3.5-6.3 OIS has a 49mm 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 49mm filters that we recommend for the Fujifilm XC 13-33mm F3.5-6.3 OIS:
Lens Mounts
Both the SG-image 25mm F1.8 and the Fujifilm XC 13-33mm F3.5-6.3 OIS has the same Fujifilm X lens mount. Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5.
SG-image 25mm F1.8 is also available in the Sony E and Nikon Z 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 XC 13-33mm F3.5-6.3 OIS has a focal range of 13-33mm and 2.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 19.5-49.5mm when used on a APS-C / DX format camera.
