Polaroid Eyewear Polaroid Eyewear Polaroid Eyewear manufactures polarized sunglasses and polarized lenses, as well as optical frames, reading glasses, and clip-on lenses. Polaroid Eyewear was a part of the StyleMark group and sold to the Safilo Group in November 2011. Polaroid headquarters is located in Padua (Italy). Edwin Land, born in 1909 in Connecticut, invented Polaroid, the world's first polarizing material for commercial use, in 1929. He founded the Polaroid Corporation in 1937 in Cambridge, Massachusetts. The company initially produced Polaroid Day Glasses, the first sunglasses with a polarizing filter. In 1935 Land negotiated with American Optical Company to produce polarized sunglasses.
MiNT camera Polaroid SX-70 does not provide full manual control over exposure. SLR670m comes with the 'Time Machine', which enables manual control over shutter speed. MiNT re-designed the camera motherboard to provide a port of communication for the Time Machine. Shutter speeds on Time Machine range from 1s to 1/2000s plus bulb, time and auto exposure. The Time Machine only works with the SLR670m produced by MiNT, the standard Polaroid SX-70 will not respond to the Time Machine. ISO 160 when Time Machine is removed, or under Auto mode. In 2015, MiNT released a twin lens reflex instant camera called InstantFlex TL70.