2. Review consensus
Under construction · Phase 4Review consensus
A consensus will appear only after at least three independent substantive reviews have been indexed.
Sigma 20mm F1.4 DG DN | Art
Full-frame·Prime·Autofocus·Current
Specification source ↗
Official manufacturer source·Checked 2026-07-12
20 mmFocal length
f/1.4Max aperture
630 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.
20 mmFocal length
f/1.4Max aperture
630 gWeight
- Mount
- Sony E
- Coverage
- Full-frame
- Lens type
- Prime
- Focus
- Autofocus
- Stabilization
- Unknown
- Power zoom
- Unknown
- Weight
- 630 g
- Length
- 113.2 mm
- Maximum diameter
- 87.8 mm
- Filter thread
- 82 mm
- Minimum focus
- 0.23 m
- Maximum magnification
- 0.1639344262295082×
Designed to cover full-frame Sony E-mount bodies and compatible with APS-C E-mount bodies.
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
Sony FE 20-70mm F4 G (SEL2070G)Sony FE 20mm F1.8 G (SEL-20F18G)Sigma 20mm F2 DG DN | ContemporaryCore specifications
- Mount
- Sony E
- Coverage
- Full-frame
- Lens type
- Prime
- Focus
- Autofocus
- Stabilization
- Unknown
- Power zoom
- Unknown
- Weight
- 630 g
- Length
- 113.2 mm
- Maximum diameter
- 87.8 mm
- Filter thread
- 82 mm
- Minimum focus
- 0.23 m
- Maximum magnification
- 0.1639344262295082×
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.