Another new(?) type of lens: https://www.polight.com/technology-and-products/how-does-it-work/default.aspx https://www.polight.com/technology-and-products/how-d

Another new(?) type of lens: https://www.polight.com/technology-and-products/how-does-it-work/default.aspx https://www.polight.com/technology-and-products/how-does-it-... The glass is deformed rather than moved. The main selling points compactness and very fast change of focus.