Lens Comparison
Canon RF 28mm f/2.8 STM vs Canon RF-S 10-18mm f/4.5-6.3 IS STM
Key Differences
- Canon RF 28mm f/2.8 STM has a better length (24.7mm vs 48.8mm).
- Canon RF 28mm f/2.8 STM has a better maximum aperture (f/2.8 vs f/4.5).
- Canon RF-S 10-18mm f/4.5-6.3 IS STM has a better min focus distance (12 cm vs 19 cm).
- Canon RF 28mm f/2.8 STM has a better weight (120g (4.2 oz) vs 150g (5.3 oz)).
- Canon RF-S 10-18mm f/4.5-6.3 IS STM has a better max magnification (0.43x vs 0.26x).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 28mm | 10-18mm |
| Lens Type | Prime | Zoom |
| Optical Elements | 9 | 12 |
| Optical Groups | 7 | 9 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/4.5 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 7 |
| Rounded Aperture | No | 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 | STM |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 19 cm | 12 cm |
| Max Magnification | 0.26x | 0.43x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | Yes |
| General | ||
| Price (MSRP) | $299 | $299 |
| Filter Size | 43mm | 55mm |
| Diameter | 69.2mm | 68.4mm |
| Length | 24.7mm | 48.8mm |
| Weight | 120g (4.2 oz) | 150g (5.3 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |
