Polaroid Eyewear Such glasses could screen out glare rather than simply darken the landscape. Land and Wheelwright contracted to begin production of Polaroid Day Glasses, a longtime source of revenue for Polaroid. With venture capital from railroad tycoon W. Averill Harriman and merchant banker and part-time songwriter James P. Warburg, Edwin Land, George Wheelwright, and Julius Silver incorporated Polaroid Corporation on September 13, 1937. Polaroid began the manufacturing of polarizing sheet for windows in railroad observation cars. In 1939 Day Glasses were the source of most of Polaroid's $35,000 profit. Although sales rose to $1 million in 1941, the company's 1940 losses
Polaroid SX-70 lot of the technology used in the folding SX-70 cameras was later used in the production of rigid "box" type SX-70 cameras, such as the Model 1000 OneStep, Pronto, Presto and The Button. These models, although also utilizing SX-70 film, are very different from the folding SLR SX-70s. MiNT Camera modified SX-70 into SLR670a (it uses 600 film directly without adding a neutral-density filter) and SLR670m (the only SX-70 with shutter priority mode). Built using vintage Polaroid SX-70 cameras. The SLR670-S has the ability to set manual shutter speed. This is the only Polaroid that can set manual shutter speed