Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) vs Viltrox AF 27mm f/1.2 Pro XF
The bottom line
These cover different focal lengths — the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) is 23mm, the Viltrox AF 27mm f/1.2 Pro XF is 27mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) for standard, the Viltrox AF 27mm f/1.2 Pro XF for standard.
Choose the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) if…
- ✓You value portability — at 265g (9.3 oz) it's lighter than the 490g (1.08 lb) alternative for travel and all-day carry.
- ✓You like close-focus work — 0.21x magnification vs 0.1x.
Where they differ
- ›Aperture: the Viltrox AF 27mm f/1.2 Pro XF opens to f/1.2 vs the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X)'s f/1.4 — more light and shallower depth-of-field.
- ›Focal range: Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) is 23mm, Viltrox AF 27mm f/1.2 Pro XF is 27mm — different framing and reach.
- ›Weight: the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) is 265g (9.3 oz) vs 490g (1.08 lb) — you'll feel the difference handheld.
Frequently asked
Is the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) or the Viltrox AF 27mm f/1.2 Pro XF better?
These cover different focal lengths — the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) is 23mm, the Viltrox AF 27mm f/1.2 Pro XF is 27mm — so they're not really substitutes. Pick by the field of view you actually need: the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) for standard, the Viltrox AF 27mm f/1.2 Pro XF for standard.
Who should choose the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X)?
Choose the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) if you value portability — at 265g (9.3 oz) it's lighter than the 490g (1.08 lb) alternative for travel and all-day carry. Choose it if you like close-focus work — 0.21x magnification vs 0.1x.
What is the main difference between the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X) and the Viltrox AF 27mm f/1.2 Pro XF?
Aperture: the Viltrox AF 27mm f/1.2 Pro XF opens to f/1.2 vs the Sigma 23mm f/1.4 DC DN Contemporary (Fuji X)'s f/1.4 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 23mm | 27mm |
| Lens Type | Prime | Prime |
| Optical Elements | 10 | 13 |
| Optical Groups | 8 | 10 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/1.2 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Fujifilm X | Fujifilm X |
| Angle of View | 63° | 55° |
| 35mm Equivalent | 35-35mm | 41-41mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | HLA | STM |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 23 cm | 38 cm |
| Max Magnification | 0.21x | 0.1x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | Yes | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $449 | $449 |
| Filter Size | 52mm | 67mm |
| Diameter | 64.8mm | 72mm |
| Length | 60.5mm | 84mm |
| Weight | 265g (9.3 oz) | 490g (1.08 lb) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |
