- Shutterspeed -
How long light strikes the film and controls the motion of the camera and subject. The length of time the shutter remains open.
The lower the number - ex. 1/30, 1/40, 1/50 second - the longer the shutter stays open, which allows more light to come in. The higher the shutterspeed, the shorter amount of time the shutter stays open, thus allowing less light to come in.
Shutterspeeds 1/80, 1/60, 1/50, 1/40, 1/30.
@ F-3.2, 100mm focal length and ISO 100.
As the shutterspeed # decreases, the pictures below become lighter.
:: Click on the picture above to enlarge ::
Shutterspeeds 1/30, 1/25, 1/20, 1/15, 1/13
@ F-3.2, 100mm focal length and ISO 100.
Again, as the shutterspeed # decreases, the pictures below continue to get lighter.
:: Click on the picture above to enlarge ::
- Aperture -
aka - F-stop
The opening in a lens that controls the amount of light that reaches the film.
The smaller the f-stop #, the bigger the lens opening is. The bigger the lens opening, the more light that is allowed inside the camera.
F-stop also controls the depth of field, or DOF. When the f-stop # is smaller - the bigger the opening, allowing more light - there is a shallow depth of field. This means that there is not as much in focus. When the f-stop # is larger - the smaller the opening, allowing less light - there is a longer depth of field, and there is more in focus.
Apertures 2.8, 3.5, 4.5, 5.6, 6.3.
@ Shutterspeed 1/30, 100mm focal length, and 100 ISO.
As the aperture # increases, the smaller the lens opening and less light, therefore the darker the picture.
:: Click on the picture above to enlarge ::
