Fujifilm · Fujifilm X mount · Updated 31 Aug 2026
XF 23mm F1.4 R LM WR
Fully usable from F1.4 into the corners and very sharp stopped down; the high-resolution 35mm-equivalent default.
55% diffraction-adjusted maker MTF · 45% compatible lab/technical prior.
01 / EDITORIAL TAKE
Why this lens earns its place
The high-resolution 35mm-equivalent default is one of the safest single-prime choices for a 40MP body. It stays useful from F1.4 rather than asking the photographer to stop down before trusting the frame edges.
- Best for
- Street, documentary, environmental portraiture, family work, and low-light everyday photography.
- Main tradeoff
- The XF 23mm F2 and F2.8 options are much smaller, while the Viltrox 27mm F1.2 offers more speed at greater weight.
02 / VERIFIED SPECIFICATIONS
The decision-grade facts
- 35mm equivalent
- 35mm
- Maximum aperture
- F1.4
- Focus
- AF
- Weight
- 375g
- Dimensions
- Ø67 × 77.8mm
- Weather resistance
- Yes
- Optical stabilization
- No
- US list price
- $999
MSRP is a static US list-price reference, not a live offer. Verified 2026-08-30. Price source ↗
03 / EVIDENCE
What the rank rests on
Curve index is checked against 1 controlled lab source.
- Maker MTF Index
- 65.4
- 15 l/mm
- 85
- 45 l/mm
- 61
- Outer-field 45
- 54
- S/M agreement
- 92
04 / ALTERNATIVES
Compare before deciding
Fast, quiet, sealed, and genuinely sharp; close-range softness wide open is the notable compromise.
Resolution 82.8 ±8FujifilmXF 23mm F2.8 R WRThe smallest modern 35mm-equivalent option. Similar optical quality to the 23/2, with portability as the main event.
Resolution 90.5 ±3ViltroxAF 27mm F1.2 ProExceptional center detail from F1.2 and unusually strong outer-field performance; heavy, but a genuine flagship optic.
Resolution 97.0 ±5