2. Review consensus
Under construction · Phase 4Review consensus
A consensus will appear only after at least three independent substantive reviews have been indexed.
Sigma 17-40mm F1.8 DC | Art
APS-C·Zoom·Autofocus·Current
Specification source ↗
Official manufacturer source·Checked 2026-07-12
17–40 mmFocal length
f/1.8Max aperture
525 gWeight
1. Physical size profile
Under construction · Phase 2Generated lens profile
No placeholder vector or raster silhouette is displayed. The profile will be generated from verified dimensions.
17–40 mmFocal length
f/1.8Max aperture
525 gWeight
- Mount
- Sony E
- Coverage
- APS-C
- Lens type
- Zoom
- Focus
- Autofocus
- Stabilization
- Unknown
- Power zoom
- Unknown
- Weight
- 525 g
- Length
- 117.9 mm
- Maximum diameter
- 72.9 mm
- Filter thread
- 67 mm
- Minimum focus
- 0.28 m
- Maximum magnification
- 0.20833333333333334×
Designed for APS-C Sony E-mount bodies. Full-frame bodies require an APS-C crop mode for the intended image circle.
Under construction · Phase 3Mounted comparison
Body-aware size and equivalent-field-of-view comparisons will follow the profile generator.
3. Sharpness profile
Under construction · Phase 4Sharpness evidence
No inferred sharpness scores are shown while the observation schema and normalization method are unfinished.
4. Bokeh profile
Under construction · Phase 4Bokeh evidence
The future profile will summarize sourced observations, not simulate this lens’s optical output.
5. Source reviews
Under construction · Phase 4Review index
Review links will be published only after source identity and coverage are verified.
6. Data provenance
- Verification
- Official manufacturer source
- Checked
- 2026-07-12
- Product status
- Current
- Unknown handling
- Explicit
7. Similar verified lenses
TTArtisan AF 17mm F1.8 AirTamron 17-70mm F2.8 Di III-A VC RXDSony E PZ 16-50mm F3.5-5.6 OSS (SEL-P1650)Core specifications
- Mount
- Sony E
- Coverage
- APS-C
- Lens type
- Zoom
- Focus
- Autofocus
- Stabilization
- Unknown
- Power zoom
- Unknown
- Weight
- 525 g
- Length
- 117.9 mm
- Maximum diameter
- 72.9 mm
- Filter thread
- 67 mm
- Minimum focus
- 0.28 m
- Maximum magnification
- 0.20833333333333334×
Under construction · Phase 2Generated lens profile
No placeholder lens art is displayed before the accessible SVG generator is ready.
Under construction · Phase 4Review-derived profiles
Sharpness and bokeh summaries require a verified observation system.
Under construction · Phase 4Review index
Consensus requires three independent substantive sources.
Data provenance
Official manufacturer source checked 2026-07-12. Product status is current until independently established.
Open specification source ↗Objective comparison is planned for Phase 3.