Sigma 50mm f/1.2 DG DN Art (L-mount) vs Sigma 85mm f/1.4 DG DN Art (L-mount)
The bottom line
These cover different focal lengths — the Sigma 50mm f/1.2 DG DN Art (L-mount) is 50mm, the Sigma 85mm f/1.4 DG DN Art (L-mount) is 85mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 50mm f/1.2 DG DN Art (L-mount) for standard, the Sigma 85mm f/1.4 DG DN Art (L-mount) for short-telephoto / portrait.
Choose the Sigma 50mm f/1.2 DG DN Art (L-mount) if…
- ✓You shoot wide — it starts at 50mm vs 85mm for landscapes, interiors and architecture.
Choose the Sigma 85mm f/1.4 DG DN Art (L-mount) if…
- ✓You need more reach — it goes to 85mm vs 50mm for distant subjects, wildlife and sport.
Where they differ
- ›Aperture: the Sigma 50mm f/1.2 DG DN Art (L-mount) opens to f/1.2 vs the Sigma 85mm f/1.4 DG DN Art (L-mount)'s f/1.4 — more light and shallower depth-of-field.
- ›Focal range: Sigma 50mm f/1.2 DG DN Art (L-mount) is 50mm, Sigma 85mm f/1.4 DG DN Art (L-mount) is 85mm — different framing and reach.
- ›Price: the Sigma 50mm f/1.2 DG DN Art (L-mount) is $999, $100 under the Sigma 85mm f/1.4 DG DN Art (L-mount).
- ›Weight: the Sigma 85mm f/1.4 DG DN Art (L-mount) is 625g (1.38 lb) vs 750g (1.65 lb) — you'll feel the difference handheld.
Frequently asked
Is the Sigma 50mm f/1.2 DG DN Art (L-mount) or the Sigma 85mm f/1.4 DG DN Art (L-mount) better?
These cover different focal lengths — the Sigma 50mm f/1.2 DG DN Art (L-mount) is 50mm, the Sigma 85mm f/1.4 DG DN Art (L-mount) is 85mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 50mm f/1.2 DG DN Art (L-mount) for standard, the Sigma 85mm f/1.4 DG DN Art (L-mount) for short-telephoto / portrait.
Who should choose the Sigma 50mm f/1.2 DG DN Art (L-mount)?
Choose the Sigma 50mm f/1.2 DG DN Art (L-mount) if you shoot wide — it starts at 50mm vs 85mm for landscapes, interiors and architecture.
Who should choose the Sigma 85mm f/1.4 DG DN Art (L-mount)?
Choose the Sigma 85mm f/1.4 DG DN Art (L-mount) if you need more reach — it goes to 85mm vs 50mm for distant subjects, wildlife and sport.
What is the main difference between the Sigma 50mm f/1.2 DG DN Art (L-mount) and the Sigma 85mm f/1.4 DG DN Art (L-mount)?
Aperture: the Sigma 50mm f/1.2 DG DN Art (L-mount) opens to f/1.2 vs the Sigma 85mm f/1.4 DG DN Art (L-mount)'s f/1.4 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 50mm | 85mm |
| Lens Type | Prime | Prime |
| Optical Elements | 17 | 15 |
| Optical Groups | 12 | 12 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.2 | f/1.4 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 11 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | L-Mount | L-Mount |
| Angle of View | 47° | 29° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 40 cm | 85 cm |
| Max Magnification | 0.15x | 0.12x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | Yes | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $999 | $1,099 |
| Filter Size | 72mm | 77mm |
| Diameter | 85mm | 82.8mm |
| Length | 102mm | 118mm |
| Weight | 750g (1.65 lb) | 625g (1.38 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
