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
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
RF28-70mm F2 L USM in detailRF28-70mm F2.8 IS STM in detailAll RF mount lenses