The Nikon SB-900 and 910 are taller than the SB-700 which would reduce the possibility of getting red-eye because it's farther from the camera. Does that only matter if you have a big lens? If you shoot with a short lens it will never block the flash. Now… Which lenses with the hood on are too big to use with a SB-700? The biggest lens I have right now is the 17-55mm 2.8 DX. Will it be fine with the SB-700 with a lens hood? But what if I plan on having a 70-200mm? Is the 700 tall enough for that?
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Taller speedlight the better?