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.
Remove everything that has no relevance to the story. If you say in the first chapter that there is a rifle hanging on the wall, in the second or third chapter it absolutely must go off. If it's not going to be fired, it shouldn't be hanging there.
—Anton Chekhov