Viltrox · Fujifilm X mount · Updated 31 Aug 2026
AF 15mm F1.7 Air
A compact, bright wide prime with very good central detail; the newest design still lacks broad independent 40MP coverage.
Source-normalized independent lab result; cross-system precision is limited.
01 / EDITORIAL TAKE
What the evidence supports
A compact, bright wide prime with very good central detail; the newest design still lacks broad independent 40MP coverage.
- Best for
- Street, Travel.
- Main tradeoff
- Its 180g weight, F1.7 maximum aperture, and lab mtf evidence profile should be considered against the alternatives below.
02 / VERIFIED SPECIFICATIONS
The decision-grade facts
- 35mm equivalent
- 23mm
- Maximum aperture
- F1.7
- Focus
- AF
- Weight
- 180g
- Dimensions
- Ø65 × 56.7mm
- Weather resistance
- Not specified
- Optical stabilization
- No
- US list price
- $239
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
Placement is led by 1 controlled resolution source; results are normalized only within compatible systems.
04 / ALTERNATIVES
Compare before deciding
A high-resolution compact prime; edges trail the newest large-aperture LM designs at wider settings.
Resolution 84.7 ±3Voigtländer18mm F2.8 Color-SkoparA beautifully made electronic pancake with crisp stopped-down detail and direct manual feel; wide-open corners and price are the trade.
Resolution 83.0 ±7FujifilmXF 23mm F2 R WRFast, quiet, sealed, and genuinely sharp; close-range softness wide open is the notable compromise.
Resolution 82.8 ±8