The archive · Product Ideas · Product decision · 2025–2026
Sigma carves the BF camera from one aluminum block — Red Dot Best of the Best 2026
CEO Kazuto Yamaki spends seven CNC hours per body on a $1,999 full-frame camera with no viewfinder, mode dial or SD card — Red Dot gives it a perfect 100.
Sigma Corporation
What it had to solve
Sigma, a lens maker known for value, entered the full-frame camera market against giants competing on megapixels and burst rates. CEO Kazuto Yamaki wanted a camera photographers would keep for twenty years, not a spec sheet to upgrade every two.
How it works
Sigma's BF camera is a bet against the camera industry's own arms race. Where rivals compete on megapixels and burst rates, CEO Kazuto Yamaki built a full-frame camera with no viewfinder, no mechanical shutter, no mode dial and no memory-card slot — just a lens, a sensor, three buttons, one dial and 230GB of internal storage.
The name carries the idea: Yamaki calls the project 'Beautiful Foolishness', after Okakura Kakuzo's 1906 The Book of Tea, and cites the century-old Chanel No. 5 bottle as proof that a well-made object stays beautiful without updates. The industrial design, by Ichiro Iwasaki's studio, was framed as a 'modern camera obscura': photography reduced to its original parts, a lens and a dark box.
The execution was deliberately impractical. Each body is carved from a single aluminum ingot over seven hours of CNC machining on a robot-linked line at Sigma's Aizu factory, yielding 200–400 cameras a month. Assembly is harder, not easier, than a conventional two-shell camera — internal parts must be threaded through a narrow opening — and the $1,999 price absorbs the cost.
Judges rewarded the restraint: Red Dot awarded Best of the Best 2026 with a perfect score of 100, and Japan's Good Design jury compared the camera's freshness to first seeing an iPod or iPhone. It was Sigma's third Best of the Best for a digital camera, after sd Quattro and fp.
Why it lands
- The spec sheet had become the battleground; subtraction was the one differentiation nobody else was trying.
- An ingot-milled unibody made the material argument physical — a camera built to be kept for decades, not two years.
- Anchoring the design in the camera obscura gave every removed control a reason, so simplicity read as conviction rather than cost-cutting.
- Because Sigma is privately held, Yamaki could spend millions on custom tooling and accept low volumes to prove the idea.
What it did
Red Dot: Best of the Best 2026 with a perfect score of 100 — Sigma's third BoB digital camera after sd Quattro and fp — plus Japan's 2025 Good Design Gold Award and the Minister of Economy, Trade and Industry Award.
What you can take
When a market races on specs, making the object itself the argument — through material, craft and deliberate subtraction — can outcompete the spec sheet and reset what users value.
Since then
Launched in April 2025 at $1,999, the BF won the 2025 Good Design Gold Award, the Minister of Economy, Trade and Industry Award, and the 2026 Red Dot Best of the Best. Sigma said it may add a second CNC line if demand holds. More importantly, the camera became the industry's most-cited counter-example to spec-sheet competition: teardowns, factory tours and award juries turned a deliberately niche camera into a public argument about what photographers actually want from a camera.
Sources
- Sigma BF has won the "Red Dot: Best of the Best" in Red Dot Award: Product Design 2026
- How the Sigma BF Is Made: A 7-Hour CNC Camera Build
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