Canon RF200-800mm F6.3-9 IS USMvsCanon RF400mm F2.8 L IS USM
RF200-800mm F6.3-9 IS USM
200-800mm / F6.3-9
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RF400mm F2.8 L IS USM
400mm / F2.8
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Which to choose
When the RF200-800mm F6.3-9 IS USM suits you better
- Weight840g lighter, so easier to carry
- Close focusFocuses as close as 80cm
- Zoom rangeCovers 200-800mm in a single lens
When the RF400mm F2.8 L IS USM suits you better
- Brightness2.3 stops brighter — better in low light and blurs the background more
These points are derived mechanically from the numbers. How a lens actually renders does not show up in specifications, so look at samples before deciding.
Size compared
- RF200-800mm F6.3-9 IS USM314.1mm long × 102.3mm diameter
- RF400mm F2.8 L IS USM367mm long × 163mm diameter
Specifications compared
| Specification | Canon RF200-800mm F6.3-9 IS USM | Canon RF400mm F2.8 L IS USM | Difference |
|---|---|---|---|
| Focal length (wide) | 200mm | 400mm | −200mm |
| Focal length (tele) | 800mm | 400mm | +400mm |
| Max aperture (wide) | F6.3 | F2.8 | 2.3 stops darker |
| Max aperture (tele) | F9 | F2.8 | 3.4 stops darker |
| Min aperture | F32 | F32 | — |
| Min focus distance | 80cm | 2.5m | −1.70m |
| Max magnification | 0.25× | 0.17× | +0.08x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 2.05kg | 2.89kg | −840g |
| Length | 314.1mm | 367mm | −52.9mm |
| Diameter | 102.3mm | 163mm | −60.7mm |
| Filter size | 95mm | 52mm | +43mm |
| Released | 2023 | 2021 | +2year |
| Stabilization | Yes | Yes | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF200-800mm F6.3-9 IS USM relative to RF400mm F2.8 L IS USM.The highlighted cell is the better side for that specification.
Check prices
RF200-800mm F6.3-9 IS USM
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RF400mm F2.8 L IS USM
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RF200-800mm F6.3-9 IS USM in detailRF400mm F2.8 L IS USM in detailAll RF mount lenses