Tuesday, 17 March 2015

iso text week two


f/1.8  1/2000 iso100




Iso Test
f/22.0  1/100  iso 800
f/22.0  1/125  iso1000

For the ISO test I started with the lowest ISO and gradually went higher and higher this showed me how grainy the highest ISO can be. As i changed the ISO the pictures got darker so i left the shutter speed as it was but changed the f stops to let in enough light. The three pictures i have shown goes from the Lowest ISO to the highest ISO, the middle portrait gives me an idea as to how high i can have my ISO and still get a nice enough photo ,which is 1600 ISO. The Highest ISO photograph is also a bit over exposed, i could have fixed this by taking the shutter speed down. 
f/1.8  1/1600  iso200





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