The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm GF 45mm F2.8 R WR and the Fujifilm GF 23mm F4 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 GF 23mm F4 is the longer of the two lenses at 103mm. The Fujifilm GF 45mm F2.8 R WR with a length of 88mm, is 15mm shorter. Besides being longer, the Fujifilm GF 23mm F4 also has a larger diameter of 90mm compared to the Fujifilm GF 45mm F2.8 R WR's 84mm diameter.
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Below you can find a scaled side-by-side image of Fujifilm GF 45mm F2.8 R WR and Fujifilm GF 23mm F4 to get a better idea of how their sizes compare in real life.
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 GF 45mm F2.8 R WR weighs 490g, which means it is 355g (42%) lighter than the Fujifilm GF 23mm F4 which has a weight of 845g.
Filter Threads
The Fujifilm GF 45mm F2.8 R WR has a filter size of 62mm whereas the Fujifilm GF 23mm F4 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Fujifilm GF 45mm F2.8 R WR:
And these are the 82mm filters that we recommend for the Fujifilm GF 23mm F4:
Lens Mounts
Both the Fujifilm GF 45mm F2.8 R WR and the Fujifilm GF 23mm F4 has the same Fujifilm G lens mount. Some of the latest released cameras that are compatible with the Fujifilm G lenses are Fujifilm GFX 100 II, Fujifilm GFX 50S II and Fujifilm GFX 100S.
Focal Range
Fujifilm GF 45mm F2.8 R WR is a prime lens with fixed focal lenght of 45mm.
On the other hand, the Fujifilm GF 23mm F4 is a prime lens with fixed focal lenght of 23mm.