If you are 25-30, or right at the time that you are getting into home ownership, then your credit score is quite important. By the time you are 45 and have likely paid off your home (a good saver should have paid of their mortgage by this time) then what you said is more correct.
Letâs quickly review a summary of the Exposure Triangle as a refresher: 1  ISO â the level of sensitivity of your camera to available light. 2  Shutter Speed â the length of time a camera shutter is open to expose light into the camera sensor. 3  Aperture â a hole within a lens, through which light travels into the camera body.
Understanding the Shutter Speed. Traditionally, still camera shutter speeds are expressed in âsecondsâ, at fixed intervals. The difference between the shutter speed and amount of light is directly linear; which means, double the speed, double the light â or half the speed, half the light. Here are the standard shutter speeds youâll find on most professional cameras (in seconds):