As they began to manufacture more accurate lenses, they realised they needed instruments that would measure the perfection of each lens.

The chief industries are a factory that manufactures plastic for furniture and an optics factory that manufactures protective lenses and safety goggles.

The Japanese Optical Company (Nippon Kogaku) had manufactured lenses since 1917.

Nikon has manufactured 9 different zoom lenses in this focal length range:

Other registered or licensed Opticians manufacture lenses to their own specifications and design and manufacture spectacle frames and other devices.

So in the east end of Glasgow we have a factory and we manufacture lenses.

Nearly 100 companies now manufacture soft lenses, and a 1977 Supreme Court decision allowing doctors to advertise has spurred a price war in soft lens sales.

One of the biggest industries there is Essilor, who manufacture lenses for glasses.

In modern times, computer-controlled milling equipment (CNC) might be used to manufacture more complex lenses.

The camera uses the SA mount, for which only Sigma itself manufactures lenses.