Sigma · Fujifilm X mount · Updated 31 Aug 2026
23mm F1.4 DC DN Contemporary
A sharp, modern 35mm-equivalent with good AF and excellent value; less complete sealing and no aperture ring on X mount.
Maker MTF available, but its method is not normalized to Fujifilm's curves.
01 / EDITORIAL TAKE
What the evidence supports
A sharp, modern 35mm-equivalent with good AF and excellent value; less complete sealing and no aperture ring on X mount.
- Best for
- Street, Documentary.
- Main tradeoff
- Its 340g weight, F1.4 maximum aperture, and manufacturer mtf evidence profile should be considered against the alternatives below.
02 / VERIFIED SPECIFICATIONS
The decision-grade facts
- 35mm equivalent
- 35mm
- Maximum aperture
- F1.4
- Focus
- AF
- Weight
- 340g
- Dimensions
- Ø65.8 × 79.2mm
- Weather resistance
- Yes
- Optical stabilization
- No
- US list price
- $659
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
A maker chart exists, but its method is not standardized against Fujifilm or independent labs.
04 / ALTERNATIVES
Compare before deciding
Fully usable from F1.4 into the corners and very sharp stopped down; the high-resolution 35mm-equivalent default.
Resolution 93.2 ±3FujifilmXF 23mm F2 R WRFast, quiet, sealed, and genuinely sharp; close-range softness wide open is the notable compromise.
Resolution 82.8 ±8SIRUISniper 23mm F1.2Fast, matched rendering and capable subject AF at a competitive price; corners and flare are less controlled than flagship primes.
Resolution 82.0 ±7