Drem optical extinction exposure meter
You have selected:
Drem optical extinction exposure meter
$
Please note that prices may vary based on your location and the current exchange rate.
- Type: Visual extinction meter (telescope type).
- Manufacturer: Drem (Dr. Emil Mayer), Vienna, Austria.
- Era: Circa 1930s.
- Key Markings: "CINE (KIN...)", "F: 1.3 1.8 2.5", "EMULSION SPEED", "SCHWEIZ", and a data table on the barrel.
- Calibration: Film speed: 17-30° Scheiner; Aperture: f/1.8-f/22; Speed: 8-128 FPS.
- Construction: No electrical components, cell, ammeter, or wires. It is a purely optical-mechanical device.