Making 'Art': We go inside Sigma's lens factory

On our recent visit to Japan to attend the CP+ show in Yokohama we were fortunate to be invited to tour Sigma's factory in Aizu. The Aizu factory is where almost all of Sigma's lenses are manufactured, including the company's impressive new 'Art' line of primes. Click through to take a virtual tour of the factory, in the company of Kazuto Yamaki, Sigma's CEO.