Canon RF14-35mm F4 L IS USMvsCanon RF15-35mm F2.8 L IS USM
RF14-35mm F4 L IS USM
14-35mm / F4
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RF15-35mm F2.8 L IS USM
15-35mm / F2.8
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Which to choose
When the RF14-35mm F4 L IS USM suits you better
- Weight300g lighter, so easier to carry
- Close focusFocuses as close as 20cm
- Zoom rangeCovers 14-35mm in a single lens
When the RF15-35mm F2.8 L IS USM suits you better
- Brightness1.0 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
- RF14-35mm F4 L IS USM99.8mm long × 84.1mm diameter
- RF15-35mm F2.8 L IS USM126.8mm long × 88.5mm diameter
Specifications compared
| Specification | Canon RF14-35mm F4 L IS USM | Canon RF15-35mm F2.8 L IS USM | Difference |
|---|---|---|---|
| Focal length (wide) | 14mm | 15mm | −1mm |
| Focal length (tele) | 35mm | 35mm | — |
| Max aperture (wide) | F4 | F2.8 | 1.0 stops darker |
| Max aperture (tele) | F4 | F2.8 | 1.0 stops darker |
| Min aperture | F22 | F22 | — |
| Min focus distance | 20cm | 28cm | −0.08m |
| Max magnification | 0.38× | 0.21× | +0.17x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 540g | 840g | −300g |
| Length | 99.8mm | 126.8mm | −27mm |
| Diameter | 84.1mm | 88.5mm | −4.4mm |
| Filter size | 77mm | 82mm | −5mm |
| Released | 2021 | 2019 | +2year |
| Stabilization | Yes | Yes | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF14-35mm F4 L IS USM relative to RF15-35mm F2.8 L IS USM.The highlighted cell is the better side for that specification.
Check prices
RF14-35mm F4 L IS USM
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RF15-35mm F2.8 L IS USM
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.
RF14-35mm F4 L IS USM in detailRF15-35mm F2.8 L IS USM in detailAll RF mount lenses