As with most DSLRs, the Nikon D3100 has an optical viewfinder that lets you view your subject through the lens. Unlike the D3000, the Nikon D3100 also offers Live View mode which allows you to ...
Like the existing D3000 model, the Nikon D3100 is aimed at beginner and ... user to visualize what's happening with shutter speed and lens aperture, and the more conventional looking Classic ...