Visible light wavelength discrepancy on the EM spectrum?

635nm

Hi there.

I'm not quite sure where you see this discrepancy. The picture you linked from wikipedia, clearly shows visible light is in the range of 0.5 μm, which is the same as 500nm.

635nm	Hi there. I'm not quite sure where you see this discrepancy. The picture you linked from wikipedia, clearly shows visible light is in the range of 0.5 μm, which is the same as 500nm.