The General Electric Exposure Meter Model 8DW58Y1 (commonly referred to as part of the GE DW-58 series) is a vintage, Art Deco-style photographic light meter. Introduced in 1946, it was designed to help mid-century photographers calculate the exact shutter speeds and f-stops needed for proper film exposure.
Core Specifications:
Sensor Type: Selenium photoelectric cell (requires no batteries).
Measurement Units: Reads light levels directly in foot-candles.
Versatility: Functions as a combination Reflecting (Averaging) and Incident light meter.
Country of Manufacture: Made in the United States by General Electric.