Lens Comparison
Canon RF 24mm f/1.8 Macro IS STM vs Tamron 11-20mm f/2.8 Di III-A RXD (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).
- Canon RF 24mm f/1.8 Macro IS STM has a better length (62.8mm vs 86.2mm).
- Canon RF 24mm f/1.8 Macro IS STM has a better max magnification (0.5x vs 0.26x).
- Tamron 11-20mm f/2.8 Di III-A RXD (Canon RF) has a better aperture blades (9 vs 7).
- Canon RF 24mm f/1.8 Macro IS STM has a better weight (270g (9.5 oz) vs 335g (11.8 oz)).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 24mm | 11-20mm |
| Lens Type | Prime | Zoom |
| Optical Elements | 12 | 12 |
| 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 | − | 18-32mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | STM | RXD |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 14 cm | 15 cm |
| Max Magnification | 0.5x | 0.26x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $699 | $799 |
| Filter Size | 52mm | 67mm |
| Diameter | 74.4mm | 74mm |
| Length | 62.8mm | 86.2mm |
| Weight | 270g (9.5 oz) | 335g (11.8 oz) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
