Canon RF28-70mm F2 L USMvsCanon RF28-70mm F2.8 IS STM
RF28-70mm F2 L USM
28-70mm / F2
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RF28-70mm F2.8 IS STM
28-70mm / F2.8
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Which to choose
When the RF28-70mm F2 L USM suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Weather sealingHas weather sealing
When the RF28-70mm F2.8 IS STM suits you better
- Weight935g lighter, so easier to carry
- StabilizationHas stabilization
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
- RF28-70mm F2 L USM139.8mm long × 103.8mm diameter
- RF28-70mm F2.8 IS STM92.2mm long × 76.5mm diameter
Specifications compared
| Specification | Canon RF28-70mm F2 L USM | Canon RF28-70mm F2.8 IS STM | Difference |
|---|---|---|---|
| Focal length (wide) | 28mm | 28mm | — |
| Focal length (tele) | 70mm | 70mm | — |
| Max aperture (wide) | F2 | F2.8 | 1.0 stops brighter |
| Max aperture (tele) | F2 | F2.8 | 1.0 stops brighter |
| Min aperture | F22 | F22 | — |
| Min focus distance | 39cm | — | No data |
| Max magnification | 0.18× | — | No data |
| Aperture blades | 9blades | 9blades | — |
| Weight | 1.43kg | 495g | +935g |
| Length | 139.8mm | 92.2mm | +47.6mm |
| Diameter | 103.8mm | 76.5mm | +27.3mm |
| Filter size | 95mm | 67mm | +28mm |
| Released | 2018 | 2024 | −6year |
| Stabilization | No | Yes | No |
| Weather sealing | Yes | No | Yes |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF28-70mm F2 L USM relative to RF28-70mm F2.8 IS STM.The highlighted cell is the better side for that specification.
Check prices
RF28-70mm F2 L USM
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RF28-70mm F2.8 IS STM
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RF28-70mm F2 L USM in detailRF28-70mm F2.8 IS STM in detailAll RF mount lenses