As with most DSLRs, the Nikon D90 has an optical viewfinder that ... do still did still find myself pressing my eyeglass lens against the rubber eyecup in order to see the full frame clearly.

As with most DSLRs, the Nikon D5100 has an optical viewfinder that lets you view your subject through the lens. Following a ... D5100's dioptric correction (for eyeglass wearers) has a range ...