Fall & Spring Semesters. 1  Undergraduate students must be enrolled in at least 12 credit hours to be considered full time and enrolled in at least nine hours in order to be three-quarter time. 2  Enrollment in six to eight hours is considered half time and enrollment in five or fewer hours is considered less than half time.
Yep you've got the abbreviations right. Av = aperture value = aperture priority auto exposure Tv = time value = shutter priority auto exposure Both of these modes allows you to set a firm value for either aperture or shutter speed, and let the camera work out the exposure needed.
Camera stand is the generic term for any contraption that a camera sits on for stability. Camera stands covers the full range of tripods, studio stands and rostrums. The familiar camera tripod looks like this: (Image via Digital SLR Photography Guide) The studio stand (with a giraffe boom) looks like this: