Canon EF 100-400mm f/4.5-5.6L IS II USM Lens Now In Stock January 2, 2015 By Eric Reagan B&H has the new Canon EF 100-400mm f/4.5-5.6L IS II USM lens, which was announced back in November 2014, in stock and now shipping with free expedited shipping. Check it out here at B&H Photo.