Canon RF-S18-150mm F3.5-6.3 IS STMvsSigma 18-50mm F2.8 DC DN Contemporary
RF-S18-150mm F3.5-6.3 IS STM
18-150mm / F3.5-6.3
27-225mm equiv.
—
18-50mm F2.8 DC DN Contemporary
18-50mm / F2.8
27-75mm equiv.
—
Which to choose
When the RF-S18-150mm F3.5-6.3 IS STM suits you better
- Zoom rangeCovers 18-150mm in a single lens
- StabilizationHas stabilization
When the 18-50mm F2.8 DC DN Contemporary suits you better
- Brightness0.6 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
- RF-S18-150mm F3.5-6.3 IS STM84.5mm long × 69.2mm diameter
- 18-50mm F2.8 DC DN Contemporary76.5mm long × 65.4mm diameter
Specifications compared
| Specification | Canon RF-S18-150mm F3.5-6.3 IS STM | Sigma 18-50mm F2.8 DC DN Contemporary | Difference |
|---|---|---|---|
| Focal length (wide) | 18mm | 18mm | — |
| Focal length (tele) | 150mm | 50mm | +100mm |
| Max aperture (wide) | F3.5 | F2.8 | 0.6 stops darker |
| Max aperture (tele) | F6.3 | F2.8 | 2.3 stops darker |
| Min aperture | F22 | F22 | — |
| Min focus distance | 12cm | 12cm | −0.00m |
| Max magnification | 0.44× | 0.35× | +0.09x |
| Aperture blades | 7blades | 7blades | — |
| Weight | 310g | 300g | +10g |
| Length | 84.5mm | 76.5mm | +8mm |
| Diameter | 69.2mm | 65.4mm | +3.8mm |
| Filter size | 55mm | 55mm | — |
| Released | 2022 | 2024 | −2year |
| Stabilization | Yes | No | Yes |
| Weather sealing | No | No | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF-S18-150mm F3.5-6.3 IS STM relative to 18-50mm F2.8 DC DN Contemporary.The highlighted cell is the better side for that specification.
Check prices
RF-S18-150mm F3.5-6.3 IS STM
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18-50mm F2.8 DC DN Contemporary
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RF-S18-150mm F3.5-6.3 IS STM in detail18-50mm F2.8 DC DN Contemporary in detailAll RF-S mount lenses