ISO is not really complicated, yet many beginners find it hard to understand what ISO is all about. It can help to learn how ISO worked in the days of film, to better understand how it applies in the digital age.

ISO in digital photography is not complex, yet many new photographers have a hard time learning and understanding this fundamental aspect of photography.

I suspect this is because of the way it is being taught. You see, ISO started out as a property of film, and it was much easier to visualise it in terms of the old technology. So that’s where I want to start my explanation, before bringing you into the 21st century with ISO today.

Metal Casting is one of the most widely used processes that
is used in the production and process industry. In the metal industry the
process of Casting is the basic and he most essential step in the process of
production. At the dawn of the industrial revolution, casting was a very crude
process that had not undergone development.