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
The Journey of Flower released, and brought in more than 10 million active players and 200 million yuan in revenue in its first two months. In 2016, "The Journey of Flower" was featured on the "New York Times". The Journey of Flower The Journey of Flower () is a 2015 Chinese television series starring Wallace Huo and Zhao Liying. It is based on the fictional novel of the same name written by Fresh Guoguo, which is inspired from Daoist legends regarding the path to immortality. The series was broadcast on Hunan TV every Wednesdays and Thursdays for two episodes per day, from 9 June