How to use a light meter

When using old film cameras one can not rely on the technological power of built in light meters such as in contemporary DSLR cameras.

Light metering is something rather sensitive when shooting film.

Alex Burke posted a tutorial on petapixel.com worth reading on how to use handheld light meters in order to evaluate the right exposure for your shot.

How to use a light meter

When using old analog cameras for your photography, determining the right exposure can be tricky. First of all old cameras do not have built in light meters, and second there is no immediate control on a display. You only know about the correct exposure once you developed the film.
Watch this educative video by Mark Wallace explaining how to use a light meter.
It is not only limited to film photography, but also to measure the right exposure for digital photography under special or difficult conditions.