Lot 2 Vintage Sylvania Flash Bulb Exposure Calculator Mechanical Pencils For Sale

Lot of 2 Vintage Sylvania Flash Bulb Exposure Calculator Mechanical Pencils, 1950s Photography Advertising

• Lot of 2 original vintage Sylvania mechanical pencils, each featuring a built-in rotating flash exposure calculator with rings around the barrel for Flash Lamp, Shutter, Film Type, and Aperture settings; overall good used condition with normal signs of use
• To use the calculator, the type of flash bulb is set against a scale of shutter speeds, then the shutter speed is aligned with the film type in use, producing a readout of the correct lens aperture setting for subject distances from four to fifty feet
• Distributed by Sylvania in the 1950s as a promotional item for use with vintage Kodak and other cameras of the era, combining a genuinely useful photographic tool with a working mechanical pencil for jotting down exposure notes
• A charming and functional piece of mid-century photography history, from the era before built-in light meters and automatic flash exposure became standard in consumer cameras
• A great find for collectors of vintage photography equipment, Sylvania advertising memorabilia, or mechanical pencils with novelty functions

Item Condition: Overall good used condition, some signs of normal use - see photos for a full condition assessment.