Canon RF15-30mm F4.5-6.3 IS STMvsSigma 10-18mm F2.8 DC DN
RF15-30mm F4.5-6.3 IS STM
15-30mm / F4.5-6.3
—
10-18mm F2.8 DC DN
10-18mm / F2.8
15-27mm equiv.
—
Which to choose
When the RF15-30mm F4.5-6.3 IS STM suits you better
- Zoom rangeCovers 15-30mm in a single lens
- StabilizationHas stabilization
When the 10-18mm F2.8 DC DN suits you better
- Brightness1.4 stops brighter — better in low light and blurs the background more
- Weight120g lighter, so easier to carry
- 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
- RF15-30mm F4.5-6.3 IS STM88.4mm long × 76.6mm diameter
- 10-18mm F2.8 DC DN62mm long × 72.2mm diameter
Specifications compared
| Specification | Canon RF15-30mm F4.5-6.3 IS STM | Sigma 10-18mm F2.8 DC DN | Difference |
|---|---|---|---|
| Focal length (wide) | 15mm | 10mm | +5mm |
| Focal length (tele) | 30mm | 18mm | +12mm |
| Max aperture (wide) | F4.5 | F2.8 | 1.4 stops darker |
| Max aperture (tele) | F6.3 | F2.8 | 2.3 stops darker |
| Min aperture | F22 | — | No data |
| Min focus distance | 13cm | — | No data |
| Max magnification | 0.52× | — | No data |
| Aperture blades | 7blades | — | No data |
| Weight | 390g | 270g | +120g |
| Length | 88.4mm | 62mm | +26.4mm |
| Diameter | 76.6mm | 72.2mm | +4.4mm |
| Filter size | 67mm | 67mm | — |
| Released | 2022 | 2024 | −2year |
| Stabilization | Yes | No | Yes |
| Weather sealing | No | Yes | No |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF15-30mm F4.5-6.3 IS STM relative to 10-18mm F2.8 DC DN.The highlighted cell is the better side for that specification.
Check prices
RF15-30mm F4.5-6.3 IS STM
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.
10-18mm F2.8 DC DN
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.
RF15-30mm F4.5-6.3 IS STM in detail10-18mm F2.8 DC DN in detailAll RF mount lenses