7Artisans 18mm f/6.3 II vs Sigma 30mm f/1.4 DC DN Contemporary
The bottom line
These cover different focal lengths — the 7Artisans 18mm f/6.3 II is 18mm, the Sigma 30mm f/1.4 DC DN Contemporary is 30mm — so they're not really substitutes. Pick by the field of view you actually need: the 7Artisans 18mm f/6.3 II for wide-angle, the Sigma 30mm f/1.4 DC DN Contemporary for standard.
Choose the 7Artisans 18mm f/6.3 II if…
- ✓You shoot wide — it starts at 18mm vs 30mm for landscapes, interiors and architecture.
- ✓You're on a budget — $79 vs $349 leaves more for other gear.
- ✓You value portability — at 55g (1.9 oz) it's lighter than the 265g (9.3 oz) alternative for travel and all-day carry.
Choose the Sigma 30mm f/1.4 DC DN Contemporary if…
- ✓You want more light and background blur — f/1.4 is faster than f/6.3, better for low light and subject separation.
- ✓You need more reach — it goes to 30mm vs 18mm for distant subjects, wildlife and sport.
Where they differ
- ›Aperture: the Sigma 30mm f/1.4 DC DN Contemporary opens to f/1.4 vs the 7Artisans 18mm f/6.3 II's f/6.3 — more light and shallower depth-of-field.
- ›Focal range: 7Artisans 18mm f/6.3 II is 18mm, Sigma 30mm f/1.4 DC DN Contemporary is 30mm — different framing and reach.
- ›Price: the 7Artisans 18mm f/6.3 II is $79, $270 under the Sigma 30mm f/1.4 DC DN Contemporary.
- ›Weight: the 7Artisans 18mm f/6.3 II is 55g (1.9 oz) vs 265g (9.3 oz) — you'll feel the difference handheld.
Frequently asked
Is the 7Artisans 18mm f/6.3 II or the Sigma 30mm f/1.4 DC DN Contemporary better?
These cover different focal lengths — the 7Artisans 18mm f/6.3 II is 18mm, the Sigma 30mm f/1.4 DC DN Contemporary is 30mm — so they're not really substitutes. Pick by the field of view you actually need: the 7Artisans 18mm f/6.3 II for wide-angle, the Sigma 30mm f/1.4 DC DN Contemporary for standard.
Who should choose the 7Artisans 18mm f/6.3 II?
Choose the 7Artisans 18mm f/6.3 II if you shoot wide — it starts at 18mm vs 30mm for landscapes, interiors and architecture. Choose it if you're on a budget — $79 vs $349 leaves more for other gear. Choose it if you value portability — at 55g (1.9 oz) it's lighter than the 265g (9.3 oz) alternative for travel and all-day carry.
Who should choose the Sigma 30mm f/1.4 DC DN Contemporary?
Choose the Sigma 30mm f/1.4 DC DN Contemporary if you want more light and background blur — f/1.4 is faster than f/6.3, better for low light and subject separation. Choose it if you need more reach — it goes to 30mm vs 18mm for distant subjects, wildlife and sport.
What is the main difference between the 7Artisans 18mm f/6.3 II and the Sigma 30mm f/1.4 DC DN Contemporary?
Aperture: the Sigma 30mm f/1.4 DC DN Contemporary opens to f/1.4 vs the 7Artisans 18mm f/6.3 II's f/6.3 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 18mm | 30mm |
| Lens Type | Prime | Prime |
| Optical Elements | 4 | 9 |
| Optical Groups | 3 | 6 |
| Aperture & Iris | ||
| Maximum Aperture | f/6.3 | f/1.4 |
| Minimum Aperture | f/6.3 | f/16 |
| Aperture Blades | 0 | 9 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Sony E | Sony E |
| Angle of View | 76° | 51° |
| 35mm Equivalent | 27-27mm | 45-45mm |
| Focus | ||
| Autofocus | No | Yes |
| Focus Motor | − | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 20 cm | 30 cm |
| Max Magnification | 0.1x | 0.1x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $79 | $349 |
| Filter Size | 46mm | 52mm |
| Diameter | 56mm | 64.8mm |
| Length | 6.6mm | 51.5mm |
| Weight | 55g (1.9 oz) | 265g (9.3 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |
