Kodak's first digital camera recorded onto cassette tape

A Camera That Recorded to Tape

In 1975, Kodak engineer Steve Sasson built an experimental camera that captured an image with an electronic sensor and saved it to a cassette tape. The prototype was cumbersome and slow by later standards, and its pictures had far less detail than film photographs. But it demonstrated a different way to make a photograph: convert light into digital data rather than expose chemical film.

That shift threatened more than Kodak’s cameras. Its established business depended on a chain of products—film, processing, and photographic paper—that customers kept buying each time they took pictures. Digital photography could remove the need for much of that chain.

The Cost of Protecting the Old Business

For a company built around film, a digital camera posed a difficult tradeoff. Investing in it meant developing a new technology whose early versions were inferior to film, while risking sales from products that already worked and generated income. Kodak’s leaders had reason to question whether customers would accept the bulky prototype—and reason to worry that a successful digital camera could shrink the profitable film business.

The result was not that Kodak never pursued digital photography. The company later developed and sold digital products. But recognizing the technology and building a business around it were different challenges. Digital photography shifted value toward electronic components, computing, software, and new ways to store and share images. Kodak’s experience in film did not automatically give it the same position in those markets.

The Invention Wasn’t the Advantage

Kodak’s story is often reduced to a company inventing its own replacement and refusing to use it. The sharper lesson is that a working prototype is not the same as a successful transition: companies must also decide when to weaken a profitable business, where to invest next, and how to compete in a market with different sources of value.

By the time digital photography became mainstream, competitors had built momentum in that changed landscape. Kodak had seen the technological turn coming; the harder task was changing what the company depended on before the market changed around it.