Viltrox · Fujifilm X mount · Updated 31 Aug 2026
AF 56mm F1.7 Air
A remarkably small portrait prime with clean central detail and quick focus; build and edge performance reflect the Air brief.

Source-normalized independent lab result; cross-system precision is limited.
01 / EDITORIAL TAKE
What the evidence supports
A remarkably small portrait prime with clean central detail and quick focus; build and edge performance reflect the Air brief.
- Best for
- Portrait, Travel.
- Main tradeoff
- Its 171g 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
- 85mm
- Maximum aperture
- F1.7
- Focus
- AF
- Weight
- 171g
- Dimensions
- Ø65 × 54.7mm
- Weather resistance
- Not specified
- Optical stabilization
- No
- US list price
- $180
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
One of the best size-to-performance portrait primes: sharp from F1.4, clean bokeh, low weight, and reliable AF.
Resolution 89.0 ±9FujifilmXF 50mm F2 R WROne of Fujifilm’s sharpest compact primes—quick AF, low weight, and excellent edge performance.
Resolution 88.6 ±8SamyangAF 75mm F1.8 XA remarkably light sealed tele-prime with smooth blur and good all-area resolution; an excellent portable portrait specialist.
Resolution 84.0 ±7