Fujifilm photogs will look at this ... that fans of the series may look to this as an F1.4 alternative to the Summicron-TL 23mm F2 ASPH. ($1,950). As mentioned, there's not too much to the 23mm ...
The lens is less ideal for astrophotography, for which the f/4 aperture is a bit on the slow side. Fujifilm GF 23mm F4 R LM WR: Specifications Fujifilm GF 23mm F4 R LM WR: Price & Availability ...