Canon RF 24-105mm f/4-7.1 IS STM vs Sigma 30mm f/1.4 DC DN Contemporary (Canon RF)
Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.
Lowest now
$219
MSRP
$399
-45% vs MSRP
Well above the 90-day low
Today's price sits well above the recent low. Today's price runs 22% above the 90-day low of $179 (seen Sep 16, 2026). 55% of the $399 MSRP. Prices are down 4.4% over the last 30 days.
Lowest now
$359
MSRP
$339
+6% vs MSRP
Selling at or above MSRP
The used market is asking the $339 launch price or more. No discount right now, which usually means a discontinued or hard-to-find body trading on demand. We've seen this body as low as $240 on Aug 29, 2026.
Specs side by side
| Canon RF 24-105mm f/4-7.1 IS STM | Sigma 30mm f/1.4 DC DN Contemporary (Canon RF) | |
|---|---|---|
| Brand | Canon | Sigma |
| Family | Canon RF | — |
| Category | lens | lens |
| Body type | — | — |
| Mount | Canon RF | Canon RF |
| Sensor | — | — |
| Megapixels | — | — |
| Lens type | zoom | prime |
| Focal length | 24–105mm | 30mm |
| Aperture | f/4.0–f/7.1 | f/1.4 |
| Weight | 395 g | 280 g |
| Filter thread | 67mm | 52mm |
| Length | 88 mm | 71 mm |
| Diameter | 76 mm | 69 mm |
| Construction | engineering plastic | — |
| Released | 2020-07-09 | 2022-04-01 |
| Discontinued | — | — |
| Status | current | current |
| MSRP | $399 | $339 |
| Current low | $219 | $359 |
| vs MSRP | -45% | +6% |
Both cameras appear in
Curated best-under lists where both of these qualify today.
The verdicts above describe price timing. They don't tell you which camera fits your shooting style. See /methods for how we normalize seller conditions and compute the deal score.