Articles & Blog posts tagged: F-stop
DSLR teleconverter
A teleconverter increases the focal length of an interchangeable lens, but it also reduces the effective aperture size, magnifies aberration created by the main lens and may interfere with autofocus.
What is lens speed?
The maximum size of the aperture determines whether a lens is considered fast or slow.
What is shutter speed?
The shutter controls the length of time light hits the camera sensor. Slow shutter speeds capture the feeling of movement, while fast shutter speeds freeze movement.
Aperture
The aperture controls the amount of light that reaches the camera sensor, acting much like the pupil of an eye that widens or decreases in size as the intensity of light changes.
DSLR lens basics
It isn’t necessary to spend a lot of money for a lens that will satisfy most photographers coming from a compact camera to a point and shoot. But…