You can find an explanation of these factors, and others related to lens apertures, in Chapter 5. ... Slow shutter speeds allow moving objects to blur and camera motion to affect image sharpness. ... that governs such things, the International Organization for Standardization (which is abbreviated ISO, and not IOS, by the way).
|Title||:||Nikon D80 Digital Field Guide|
|Author||:||David D. Busch|
|Publisher||:||John Wiley & Sons - 2011-08-02|