For the first half of the 20th century, photographers had to gauge exposures without a light meter. It was common at the time for film packets to have a set of exposure guidelines printed inside them ...

We have a lot of tools to measure exposure, but to me, the light meter is the simplest and truest. Every cinematographer has a different way of checking exposure in a shot, whether it’s a single tool ...

Let's talk light meters. I was going to put this in the accessories thread, but it seems to have expanded in size so doing it's own thread. So, I've got an old analog light meter with 15 & 5 degrees ...