Euro-Master Universal Invercone Posemeter - User Manual
User manual for the Weston Euro-Master universal posemeter with invercone. Covers aperture blocking, invercone usage, luminosity scales (0-10 and 10-16), reflected and incident light metering methods, exposure adjustment techniques, color photography recommendations, and intermediate shutter speed/aperture combinations. Includes diagrams of the meter dial, diaphragm adjustments, and handling procedures. Printed in England.
