The earliest type of light meters were called extinction meters and contained a numbered or lettered row of neutral density filters of increasing density.
They contained a numbered or lettered row of neutral density filters of increasing density. The earliest type of light meters were called extinction meters.
The earliest type of light meters were called extinction meters. They contained a numbered or lettered row of neutral density filters of increasing density.
The earliest type of light meters were called extinction meters. They contained a numbered or lettered row of neutral density filters of increasing density.