Sigma 15mm F1.4 DC Contemporary (Fujifilm X) vs Viltrox AF 56mm f/1.2 PRO (Fujifilm X)
The bottom line
These cover different focal lengths — the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is 15mm, the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) is 56mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) for wide-angle, the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) for short-telephoto / portrait.
Choose the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) if…
- ✓You shoot wide — it starts at 15mm vs 56mm for landscapes, interiors and architecture.
- ✓You value portability — at 220g (7.8 oz) it's lighter than the 595g (1.31 lb) alternative for travel and all-day carry.
Choose the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) if…
- ✓You need more reach — it goes to 56mm vs 15mm for distant subjects, wildlife and sport.
Where they differ
- ›Aperture: the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) opens to f/1.2 vs the Sigma 15mm F1.4 DC Contemporary (Fujifilm X)'s f/1.4 — more light and shallower depth-of-field.
- ›Focal range: Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is 15mm, Viltrox AF 56mm f/1.2 PRO (Fujifilm X) is 56mm — different framing and reach.
- ›Weight: the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is 220g (7.8 oz) vs 595g (1.31 lb) — you'll feel the difference handheld.
Frequently asked
Is the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) or the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) better?
These cover different focal lengths — the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is 15mm, the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) is 56mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) for wide-angle, the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) for short-telephoto / portrait.
Who should choose the Sigma 15mm F1.4 DC Contemporary (Fujifilm X)?
Choose the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) if you shoot wide — it starts at 15mm vs 56mm for landscapes, interiors and architecture. Choose it if you value portability — at 220g (7.8 oz) it's lighter than the 595g (1.31 lb) alternative for travel and all-day carry.
Who should choose the Viltrox AF 56mm f/1.2 PRO (Fujifilm X)?
Choose the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) if you need more reach — it goes to 56mm vs 15mm for distant subjects, wildlife and sport.
What is the main difference between the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) and the Viltrox AF 56mm f/1.2 PRO (Fujifilm X)?
Aperture: the Viltrox AF 56mm f/1.2 PRO (Fujifilm X) opens to f/1.2 vs the Sigma 15mm F1.4 DC Contemporary (Fujifilm X)'s f/1.4 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 15mm | 56mm |
| Lens Type | Prime | Prime |
| Optical Elements | 13 | 13 |
| Optical Groups | 11 | 8 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/1.2 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 11 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Fujifilm X | Fujifilm X |
| Angle of View | 82.9° | 29° |
| 35mm Equivalent | 23-23mm | 85-85mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | Dual HyperVCM |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 18 cm | 50 cm |
| Max Magnification | 0.15x | − |
| 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 | $580 |
| Filter Size | 58mm | 67mm |
| Diameter | 64mm | 78.4mm |
| Length | 65mm | 94mm |
| Weight | 220g (7.8 oz) | 595g (1.31 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |






