[nradov]

There is still a lot of business opportunity in supplying image sensors and lenses to smartphones.

[chiefgeek]

But it is nowhere near as profitable as the 35mm film system was.

[ghaff]

The 35mm system was a huge consumables business down through the food chain. That basically doesn't exist with digital. (Aside from ink jet supplies and I'm not sure how true even that is any longer.)