Diaphragm (optics) curved blades improve the roundness of the iris opening. In a photograph, the number of blades that the iris diaphragm has can be guessed by counting the number of diffraction spikes converging from a light source or bright reflection. For an odd number of blades, there are twice as many spikes as there are blades. In case of an even number of blades, the two spikes per blade will overlap each other, so the number of spikes visible will be the number of blades in the diaphragm used. This is most apparent in pictures taken in the dark with small
Love Has a Name the first preorder single from the album. "Love Has a Name", which featured Kim Walker-Smith, was released in July 2017 as the second preorder single from the album. "Flood the Earth" featuring Katie Torwalt was the third song to be availed for instant download, followed by "Make Us One" featuring Chris Quilala being released in August 2017 as the fourth and final preorder single from the album. The studio version of "Love Has a Name", featuring Kim Walker-Smith was released on October 6, 2017 as the lead single from the album. The week ending September 2, 2017 saw the sale