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.
2. a: camera obscura b: a device that consists of a lightproof chamber with an aperture fitted with a lens and a shutter through which the image of an object is projected onto a surface for recording (as on film) or for translation into electrical impulses (as for television broadcast). â off camera.