In most cases, malaria is transmitted through the bites of female Anopheles mosquitoes. There are more than 400 different species of Anopheles mosquito; around 30 are malaria vectors of major importance. All of the important vector species bite between dusk and dawn.
When replayed at normal speed, time appears to be moving more slowly. A term for creating slow motion film is overcranking which refers to hand cranking an early camera at a faster rate than normal (i.e. faster than 24 frames per second).
A slow shutter speed lets in more light. The shutter is open longer. The shutter speed us usually shown as the reciprocal of the time that the shutter is open. A shutter setting of 60 represents 1/60th of a second. A shutter speed of 1000 represents 1/1000th of a second.