Lens Comparison
Canon RF 28-70mm f/2 L USM vs Canon RF 400mm f/2.8 L IS USM
Key Differences
- Canon RF 28-70mm f/2 L USM has a better min focus distance (39 cm vs 250 cm).
- Canon RF 28-70mm f/2 L USM has a better price (msrp) ($3,099 vs $11,999).
- Canon RF 28-70mm f/2 L USM has a better length (139.8mm vs 343mm).
- Canon RF 28-70mm f/2 L USM has a better weight (1430g (3.15 lb) vs 3450g (7.61 lb)).
- Canon RF 28-70mm f/2 L USM has a better maximum aperture (f/2 vs f/2.8).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 28-70mm | 400mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 19 | − |
| Optical Groups | 13 | − |
| Aperture & Iris | ||
| Maximum Aperture | f/2 | f/2.8 |
| Minimum Aperture | f/22 | f/32 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | 75° – 34° | − |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Ring USM | Dual Nano USM |
| Focus Limiter | No | Yes |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 39 cm | 250 cm |
| Max Magnification | 0.18x | 0.18x |
| Stabilization & Video | ||
| Optical Stabilization | No | Yes |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | Yes | No |
| General | ||
| Price (MSRP) | $3,099 | $11,999 |
| Filter Size | 95mm | 52mm |
| Diameter | 103.8mm | 163mm |
| Length | 139.8mm | 343mm |
| Weight | 1430g (3.15 lb) | 3450g (7.61 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | Yes |
