Sigma 15mm F1.4 DC Contemporary vs Sigma 20mm f/1.4 DG DN Art
The bottom line
These cover different focal lengths — the Sigma 15mm F1.4 DC Contemporary is 15mm, the Sigma 20mm f/1.4 DG DN Art is 20mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 15mm F1.4 DC Contemporary for wide-angle, the Sigma 20mm f/1.4 DG DN Art for wide-angle.
Choose the Sigma 15mm F1.4 DC Contemporary if…
- ✓You're on a budget — $579 vs $999 leaves more for other gear.
- ✓You value portability — at 220g (7.8 oz) it's lighter than the 630g (1.39 lb) alternative for travel and all-day carry.
Choose the Sigma 20mm f/1.4 DG DN Art if…
- ✓You need more reach — it goes to 20mm vs 15mm for distant subjects, wildlife and sport.
Where they differ
- ›Focal range: Sigma 15mm F1.4 DC Contemporary is 15mm, Sigma 20mm f/1.4 DG DN Art is 20mm — different framing and reach.
- ›Price: the Sigma 15mm F1.4 DC Contemporary is $579, $420 under the Sigma 20mm f/1.4 DG DN Art.
- ›Weight: the Sigma 15mm F1.4 DC Contemporary is 220g (7.8 oz) vs 630g (1.39 lb) — you'll feel the difference handheld.
Frequently asked
Is the Sigma 15mm F1.4 DC Contemporary or the Sigma 20mm f/1.4 DG DN Art better?
These cover different focal lengths — the Sigma 15mm F1.4 DC Contemporary is 15mm, the Sigma 20mm f/1.4 DG DN Art is 20mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 15mm F1.4 DC Contemporary for wide-angle, the Sigma 20mm f/1.4 DG DN Art for wide-angle.
Who should choose the Sigma 15mm F1.4 DC Contemporary?
Choose the Sigma 15mm F1.4 DC Contemporary if you're on a budget — $579 vs $999 leaves more for other gear. Choose it if you value portability — at 220g (7.8 oz) it's lighter than the 630g (1.39 lb) alternative for travel and all-day carry.
Who should choose the Sigma 20mm f/1.4 DG DN Art?
Choose the Sigma 20mm f/1.4 DG DN Art if you need more reach — it goes to 20mm vs 15mm for distant subjects, wildlife and sport.
What is the main difference between the Sigma 15mm F1.4 DC Contemporary and the Sigma 20mm f/1.4 DG DN Art?
Focal range: Sigma 15mm F1.4 DC Contemporary is 15mm, Sigma 20mm f/1.4 DG DN Art is 20mm — different framing and reach.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 15mm | 20mm |
| Lens Type | Prime | Prime |
| Optical Elements | 13 | 17 |
| Optical Groups | 11 | 14 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/1.4 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | 82.9° | 94° |
| 35mm Equivalent | 23-23mm | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 18 cm | 27 cm |
| Max Magnification | 0.15x | 0.14x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | Yes | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $579 | $999 |
| Filter Size | 58mm | 82mm |
| Diameter | 64mm | 90mm |
| Length | 65mm | 112.3mm |
| Weight | 220g (7.8 oz) | 630g (1.39 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
