Diaphragm (optics) photographic lens is called an iris diaphragm. In the early years of photography, a lens could be fitted with one of a set of interchangeable diaphragms , often as brass strips known as Waterhouse stops or Waterhouse diaphragms. The iris diaphragm in most modern still and video cameras is adjusted by movable blades, simulating the iris of the eye. The diaphragm has two to twenty blades (with most lenses today featuring between five and ten blades), depending on price and quality of the device in which it is used. Straight blades result in polygon shape of the diaphragm opening, while
Love Has a Name of 10,000 equivalent album units of "Love Has a Name", thus topping the Billboard Christian Albums chart in the same week. "Love Has a Name" is Jesus Culture's second album to attain the top position on the chart after their 2014 live LP, "Unstoppable Love'. CCM Magazine's Matt Conner rated the album four stars out of five, saying that it is filled with "stirring anthems and ballads," and describes the live arrangement as "exciting and inspiring." Bestowing the album a four-point-four star rating in a review at The Christian Beat, Emily Caroline states that "In "Love Has a Name", the