Answer:
A. f/2.8
Explanation:
A hole within a lens, through which light travels into the camera body is referred to as the APERTURE.
It is typically expressed as "f number" in photography. Basically, a fast lens is any lens with a maximum aperture of f/4 or more i.e f/2.8 , f/1.8 , f/1.4 etc.
The smaller the number is the bigger the maximum aperture is. Hence, the bigger the maximum aperture the more light that your lens will allow in.
Therefore, the ideal aperture settings for a fast lens is f/2.8
B are primary and C are secondary.
Answer:
Abstraction
Explanation:
Under fundamental principles of software engineering, the term "abstraction" is simply defined as the act of highlighting some details and hiding other ones.
Thus, the correct answer among the options is Abstraction.