Canon RF15-35mm F2.8 L IS USMvsCanon RF20mm F1.4 L VCM
RF15-35mm F2.8 L IS USM
15-35mm / F2.8
—
RF20mm F1.4 L VCM
20mm / F1.4
—
Which to choose
When the RF15-35mm F2.8 L IS USM suits you better
- Zoom rangeCovers 15-35mm in a single lens
- StabilizationHas stabilization
When the RF20mm F1.4 L VCM suits you better
- Brightness2.0 stops brighter — better in low light and blurs the background more
- Weight321g lighter, so easier to carry
- Close focusFocuses as close as 20cm
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
- RF15-35mm F2.8 L IS USM126.8mm long × 88.5mm diameter
- RF20mm F1.4 L VCM99.3mm long × 76.5mm diameter
Specifications compared
| Specification | Canon RF15-35mm F2.8 L IS USM | Canon RF20mm F1.4 L VCM | Difference |
|---|---|---|---|
| Focal length (wide) | 15mm | 20mm | −5mm |
| Focal length (tele) | 35mm | 20mm | +15mm |
| Max aperture (wide) | F2.8 | F1.4 | 2.0 stops darker |
| Max aperture (tele) | F2.8 | F1.4 | 2.0 stops darker |
| Min aperture | F22 | F16 | +6.0 |
| Min focus distance | 28cm | 20cm | +0.08m |
| Max magnification | 0.21× | 0.19× | +0.02x |
| Aperture blades | 9blades | 11blades | −2blades |
| Weight | 840g | 519g | +321g |
| Length | 126.8mm | 99.3mm | +27.5mm |
| Diameter | 88.5mm | 76.5mm | +12mm |
| Filter size | 82mm | 67mm | +15mm |
| Released | 2019 | 2025 | −6year |
| Stabilization | Yes | No | Yes |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF15-35mm F2.8 L IS USM relative to RF20mm F1.4 L VCM.The highlighted cell is the better side for that specification.
Check prices
RF15-35mm F2.8 L IS USM
ADLinks to Amazon, MPB, Wex Photo Video, Park Cameras, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links to London Camera Exchange are not affiliate links.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.
RF20mm F1.4 L VCM
ADLinks to Amazon, MPB, Wex Photo Video, Park Cameras, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links to London Camera Exchange are not affiliate links.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.
RF15-35mm F2.8 L IS USM in detailRF20mm F1.4 L VCM in detailAll RF mount lenses