Canon RF16-28mm F2.8 IS STMvsCanon RF20mm F1.4 L VCM
RF16-28mm F2.8 IS STM
16-28mm / F2.8
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RF20mm F1.4 L VCM
20mm / F1.4
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Which to choose
When the RF16-28mm F2.8 IS STM suits you better
- Weight74g lighter, so easier to carry
- Zoom rangeCovers 16-28mm 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
- Weather sealingHas weather sealing
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
- RF16-28mm F2.8 IS STM91mm long × 76.5mm diameter
- RF20mm F1.4 L VCM99.3mm long × 76.5mm diameter
Specifications compared
| Specification | Canon RF16-28mm F2.8 IS STM | Canon RF20mm F1.4 L VCM | Difference |
|---|---|---|---|
| Focal length (wide) | 16mm | 20mm | −4mm |
| Focal length (tele) | 28mm | 20mm | +8mm |
| 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 | 20cm | 20cm | — |
| Max magnification | 0.26× | 0.19× | +0.07x |
| Aperture blades | 9blades | 11blades | −2blades |
| Weight | 445g | 519g | −74g |
| Length | 91mm | 99.3mm | −8.3mm |
| Diameter | 76.5mm | 76.5mm | — |
| Filter size | 67mm | 67mm | — |
| Released | 2025 | 2025 | — |
| Stabilization | Yes | No | Yes |
| Weather sealing | No | Yes | No |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF16-28mm F2.8 IS STM relative to RF20mm F1.4 L VCM.The highlighted cell is the better side for that specification.
Check prices
RF16-28mm F2.8 IS STM
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RF20mm F1.4 L VCM
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RF16-28mm F2.8 IS STM in detailRF20mm F1.4 L VCM in detailAll RF mount lenses