Nikon D800 and prime lens
foto2021 wrote:...I suggest you look at the results from your 24-70mm f/2.8 and work out which focal length(s) you use most often. Then decide whether you want to buy a prime lens (or lenses) in that focal length (or lengths)....
If you use Lightroom, Jeffrey Friedl has a plugin that will read the EXIF data and plot the focal lengths used for your photos.
If you don't use Lightroom, there are other free apps out there that will do similar things. Google is your friend.