Sigma SD15
The Sigma SD15 is a digital SLR introduced in 2010, built around Sigma's Foveon X3 direct image sensor and the SA bayonet mount. It was positioned as an enthusiast body for photographers wanting the colour rendering of the Foveon sensor rather than a conventional Bayer-pattern CMOS.
With only a single UK auction record on file — a 2022 hammer of £50 — there is not enough data to quote a meaningful price range or median for what an SD15 is worth in 2026. That figure was a saleroom hammer result and excludes commission, so the true cost to the buyer would have been higher; today a clean, working example with the SA-mount accessories typically sells for more than a body-only lot in unknown condition.
Sales History
Prices shown are realised prices — auction results and completed eBay sales, never asking prices. Most saleroom figures are hammer prices, before commission; some houses publish a premium-inclusive figure, and we do not adjust for condition. Dealer and retail asking prices are typically higher. How this figure is calculated.
Prices updated: March 2022
| Date | Price | Value GBP | Source | |
|---|---|---|---|---|
| Mar 2022 | £50 | £40 | 🇬🇧 Flints Auctions | |
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Auction: The Collectors sale (Lot 417) Title: A Sigma SD15 Digital SLR Body
Description:
in maker's box, untested (a lot) |
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Frequently asked questions
What is a Sigma SD15 worth at UK auction?
Evidence is thin: the only logged UK auction hammer price is £50 from 2022, so any current value estimate carries low confidence.
How much does a Sigma SD15 sell for today?
With just one recorded sale, a reliable current price cannot be given; condition, included battery and charger, and whether an SA-mount lens is bundled will drive what it sells for.
Why is the Sigma SD15 priced differently from mainstream DSLRs?
It uses the Foveon X3 sensor and the Sigma SA mount, which appeal to a narrower group of buyers and limit the second-hand audience compared with Canon or Nikon equivalents.