Nikon Corporation is a Japanese multinational corporation which specializes in the manufacture of optics and imaging products. Nikon has a vast field of products to offer ranging from cameras to measurement instruments. Nikons imaging products are classified as the Nikon F-series, Nikon D-series, the Coolpix series and the Nikonos series used particularly for underwater filming. The best way to relive a moment is by capturing it in an image and to get the perfect image, a variety of factors are essential such as shutter speed, aperture and ISO sensitivity. All of which are kept in mind while forming a Nikon camera. You can shop online through I4U (www.i4u.com.pk) as they offer the best products produced by Nikon on a very easy and simple installment plan all over the city of Karachi. Some of the products provided are, Nikon D5500 DSLR, Nikon D3300 DSLR and Nikon D5300 DSLR.