Fujifilm XF 14mm f/2.8 R vs Sigma 15mm F1.4 DC Contemporary (Fujifilm X)
The bottom line
These cover different focal lengths — the Fujifilm XF 14mm f/2.8 R is 14mm, the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the Fujifilm XF 14mm f/2.8 R for wide-angle, the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) for wide-angle.
Choose the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) if…
- ✓You want more light and background blur — f/1.4 is faster than f/2.8, better for low light and subject separation.
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Where they differ
- ›Aperture: the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) opens to f/1.4 vs the Fujifilm XF 14mm f/2.8 R's f/2.8 — more light and shallower depth-of-field.
- ›Focal range: Fujifilm XF 14mm f/2.8 R is 14mm, Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is 15mm — different framing and reach.
- ›Durability: the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is weather-sealed; the other isn't.
Frequently asked
Is the Fujifilm XF 14mm f/2.8 R or the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) better?
These cover different focal lengths — the Fujifilm XF 14mm f/2.8 R is 14mm, the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) is 15mm — so they're not really substitutes. Pick by the field of view you actually need: the Fujifilm XF 14mm f/2.8 R for wide-angle, the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) for wide-angle.
Who should choose the Sigma 15mm F1.4 DC Contemporary (Fujifilm X)?
Choose the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) if you want more light and background blur — f/1.4 is faster than f/2.8, better for low light and subject separation. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.
What is the main difference between the Fujifilm XF 14mm f/2.8 R and the Sigma 15mm F1.4 DC Contemporary (Fujifilm X)?
Aperture: the Sigma 15mm F1.4 DC Contemporary (Fujifilm X) opens to f/1.4 vs the Fujifilm XF 14mm f/2.8 R's f/2.8 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 14mm | 15mm |
| Lens Type | Prime | Prime |
| Optical Elements | 10 | 13 |
| Optical Groups | 7 | 11 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/1.4 |
| Minimum Aperture | f/22 | f/16 |
| Aperture Blades | 7 | 9 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Fujifilm X | Fujifilm X |
| Angle of View | 91° | 82.9° |
| 35mm Equivalent | 21-21mm | 23-23mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 18 cm | 18 cm |
| Max Magnification | 0.11x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $549 | $579 |
| Filter Size | 58mm | 58mm |
| Diameter | 65mm | 64mm |
| Length | 58.4mm | 65mm |
| Weight | 235g (8.3 oz) | 220g (7.8 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |
