CocoaRoger wrote:
I have a D3100 and as far as I have found there is no way to project the grid on the screen or viewfinder such as the rule of 3's grid or anything else. I'd love to have that grid visible but can obviously estimate it.
i have just looked at my d90 handbook and the grid can be switched on under the d2 section. shootin/display.
failing that there are spirit levels that fit into your hot shoe, for pennys on e-bay.