1) LOMO cameras were originally developed in the Soviet Union for military use but fell into obscurity after its dissolution. They were later revived by Austrian students who formed the Lomography Society to celebrate unpredictable, fun photography. 2) LOMO cameras are known for producing images with vignetting, blurriness, color shifts, and light leaks that make each photo a surprise. 3) Popular LOMO camera models include the basic Holga, the versatile Diana F+ with many accessories, and the classic LC-A+.