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.
, Photography enthusiast. AF. The designation 'AF' was used on the first generation of AF Nikkor lenses, and whilst this type of lens has long since been discontinued there are many still in use and they remain compatible with most functions available all current Nikon autofocus SLR cameras.