Photography: Literature Review, Image Review And Theoretical Theory

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2.1 Introduction:
This chapter would analysis photography under conceptual review as the main concept of this study, it would look at the history of photography, types of photography, and types of cameras available till date, followed by empirical review and lastly the theoretical framework would come at the end of this chapter.

2.2.1 History of photography
The concept of photography was coined out of a Greek words “photo” meaning light and “graphy” meaning writing and when merged together the word means writing with light. Although different scholars proffered different definitions of photography, the concept, however still remains the same. According to Alex (2009) the word photography was first used by Sir John Herschel in 1839, the year the invention of the photographic process was made public, explaining the concept of photography. The history of photography could be categorized into four stage which include; •The basics of optics -Camera Obscura
•Optical glass
•Chemical developments -light sensitive materials
•Digital Photography
The basics of optics -Camera Obscura
According to Alex (2009), the basic of optics or camera obscura is a dark box or room with a hole in one end. According to him if the hole is small enough, an inverted image can be seen on the opposite wall, when looking through the lens of a camera obscura, the view presented is actually reflected through the mirrors onto the paper or cloth and

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