Nikon Corporation listen , also known as just Nikon, is a multinational corporation headquartered in Tokyo, Japan, specializing in optics and imaging. Its products include cameras, binoculars, microscopes, measurement instruments, and the steppers used in the photolithography steps of semiconductor fabrication, of which it is the world's second largest manufacturer. The companies held by Nikon form the Nikon Group. Among its products are Nikkor imaging lenses , the Nikon F-series of 135 film SLR cameras, the Nikon D-series of digital SLR cameras, the Coolpix series of compact digital cameras, and the Nikonos series of underwater film cameras. Nikon's main competitors in camera and lens manufacturing include Canon, Casio, Kodak, Sony, Pentax, Panasonic, Fujifilm and Olympus.
The Open Championship, or simply The Open , is the oldest of the four major championships in professional golf. It is the only "major" held outside the USA and is administered by The R&A, which is the governing body of golf outside the USA and Mexico. The Open is played on the weekend of the third Friday in July. It is the third major to take place each year, following The Masters and the U.S. Open, but preceding the PGA Championship. The current champion is Darren Clarke who won the 2011 Open Championship.