ARS SELECTIVE EXPOSURE METER vintage 50's Japanese meter ARS Exposure Meter Body & Case Thank you for viewing. ARS Exposure Meter With case There is a faint signature on the side (see photo 5). It is relatively clean for an item from about 70 years ago. As it has been stored for a long time, there are some signs of aging such as yellowing and stains. Since it is a used item, there may be deterioration due to aging, such as fine scratches and dirt, even in areas not visible in the photos. If you have any questions, please feel free to comment. For those who understand it as an antique collection, thank you very much. We will ship with waterproof measures and anonymous delivery. This is an antique camera exposure meter called ARS Selective Exposure Meter. Function: It is a calculation device used to measure the intensity of light during shooting and calculate the appropriate shutter speed, aperture value, and film sensitivity (ASA/ISO). Features: As the dial says "BASIS ASA 100", it is designed to calculate based on ASA 100 film. Usage: It is mainly used as a collector's item for vintage cameras and as an auxiliary tool for manual shooting.