Lens Comparison
Canon RF 24mm f/1.8 Macro IS STM vs Sigma 10-18mm f/2.8 DC DN Contemporary (Canon RF)
Key Differences
- Canon RF 24mm f/1.8 Macro IS STM has a better maximum aperture (f/1.8 vs f/2.8).
- Sigma 10-18mm f/2.8 DC DN Contemporary (Canon RF) has a better aperture blades (9 vs 7).
- Canon RF 24mm f/1.8 Macro IS STM has a better max magnification (0.5x vs 0.28x).
- Canon RF 24mm f/1.8 Macro IS STM has a better length (62.8mm vs 73.3mm).
- Sigma 10-18mm f/2.8 DC DN Contemporary (Canon RF) has a better min focus distance (12 cm vs 14 cm).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 24mm | 10-18mm |
| Lens Type | Prime | Zoom |
| Optical Elements | 12 | 13 |
| Optical Groups | 10 | 10 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.8 | f/2.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | APS-C |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | − | − |
| 35mm Equivalent | − | 16-29mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | STM | HLA |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 14 cm | 12 cm |
| Max Magnification | 0.5x | 0.28x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | Yes |
| Declickable Aperture | No | Yes |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $699 | $699 |
| Filter Size | 52mm | 67mm |
| Diameter | 74.4mm | 67.2mm |
| Length | 62.8mm | 73.3mm |
| Weight | 270g (9.5 oz) | 260g (9.2 oz) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
