Polaroid Corporation it had asked for. In 1977, Land introduced the Polaroid Instant Home Movie camera named Polavision, based on the Dufaycolor process. However, the product arrived on the market when videotape-based systems were rapidly gaining popularity. Thus it failed to sell well in retail stores and has been described as the swan song for Polaroid. After four decades as chairman, Edwin Land was coerced into resigning and leaving the corporation he had founded. He died in 1991. The "Polavision" debacle eventually caused the company to write off $89 million, including most of the manufactured products. The underlying technology of Polavision was
Polaroid type 55 Polaroid type 55 Polaroid Type 55 film is a black-and-white peel-apart Polaroid film that yields both a positive print and a negative image that can be used to create enlargements. The film speed is given by the manufacturers as 50 ISO, however that applies only to the positive component. The negative is rated by Polaroid as 25 ISO though it is possible to rate the negative at 32 ISO). After processing the film is peeled apart to reveal positive and negative images. To prevent fading and physical damage the positive image requires a protective coating (included in the box) while