That's a 95% collapse in ten years. There's not a lot of consensus among those writing to the boards (for whatever its worth) but it seems that Nikon, Pentax, Panasonic, and Sigma are all sited as at-risk manufacturers. Who'd have guessed. Thanks, 2020.
Marriage is like a game of chess, except the board is flowing water, the pieces are made of smoke and no move you make will have any effect on the outcome.
—Jerry Seinfeld