Lens Comparison
Canon RF 400mm f/2.8 L IS USM vs Canon RF 600mm f/4 L IS USM
Key Differences
- Canon RF 400mm f/2.8 L IS USM has a better min focus distance (250 cm vs 400 cm).
- Canon RF 400mm f/2.8 L IS USM has a better maximum aperture (f/2.8 vs f/4).
- Canon RF 400mm f/2.8 L IS USM has a better length (343mm vs 449mm).
- Canon RF 600mm f/4 L IS USM has a better weight (3090g (6.81 lb) vs 3450g (7.61 lb)).
- Canon RF 400mm f/2.8 L IS USM has a better price (msrp) ($11,999 vs $12,999).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 400mm | 600mm |
| Lens Type | Prime | Prime |
| Optical Elements | − | − |
| Optical Groups | − | − |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/4 |
| Minimum Aperture | f/32 | 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 | − | − |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Dual Nano USM | Dual Nano USM |
| Focus Limiter | Yes | Yes |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 250 cm | 400 cm |
| Max Magnification | 0.18x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | Yes |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $11,999 | $12,999 |
| Filter Size | 52mm | 52mm |
| Diameter | 163mm | 168mm |
| Length | 343mm | 449mm |
| Weight | 3450g (7.61 lb) | 3090g (6.81 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | Yes | Yes |






