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Thursday, 27 January 2011

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Monday, 24 January 2011

Henry Fox Talbot and is role in history of photography

Can you find Image evidence of the technique? 

 Trafalgar Square (1843) by WHF Talbot, copyright NMPFT/SSPL



When was it first discovered and by whom?
 he created the first ever paper negative

 
 What is special about the technique? 

 it was the first paper negative that used light sensitve silver salt togther with chemical and he used his camera called "The Mousetrap" to capture images


  
 How does this technique work? Can you find or describe the processes needed to make it work? Maybe illustrate how it is made. 

 henry fox tolbet created his paper negative which could be mass produced and distributed, the mirror  negative were outclassed and it wasn't successful.

 
 Can you comment how important this technique has been for the history of photography. For example was it popular and is it still used today?

 it was start of modern photography and we use in 21st century to make photography

Thursday, 20 January 2011

Motion Studies Eadweard Muybridge

Can you find
Image evidence of the technique?



When was it first
discovered and by whom?
Eadweard Muybridge studied gait in 1877 at stanfords race course.

What is special about the technique? 
he used loads of camera's to catch the horse moving

How does this technique
work? Can you find or describe the processes needed to make it work?
Maybe illustrate how it is made.
the camera's were set of one camera a second and it catch the horse moving and if you put the pictures next to each other it looks like the horse is moving 
Can you
comment how important this technique has been for the history of
photography. For example was it popular and is it still used today?

  this technique is still used to make movies and to capture someone moving.

Monday, 17 January 2011

Muybridge motion studies

Eadweared Muybridge studied the gait ( the way something walks) of a horse and used photography to prove that a horse lifts all four feet off the floor during motion.he used a white screen , lined up 24 cameras all with electric shutters and set them off one after another to capture the horse gait.
He called himself the "Picasso of Cinema"

Daguerreotype

Can you find Image evidence of the technique? 
 
This is a Daguerrotype photo
When was it first discovered and by whom?
The Daguerreotype was the first successful photographic process, the discovery being announced on 7 January 1839.

What is special about the technique? 
 it is a mirror negative that makes one off images and it looks like the person is there.

How does this technique work? Can you find or describe the processes needed to make it work? Maybe illustrate how it is made.
 The process consisted of
  • exposing copper plates to iodine, the fumes forming light-sensitive silver iodide. The plate would have to be used within an hour.
  • exposing to light - between 10 and 20 minutes, depending upon the light available.
  • developing the plate over mercury heated to 75 degrees Centigrade. This caused the mercury to amalgamate with the silver.
  • fixing the image in a warm solution of common salt (later sodium sulphite was used.)
  • rinsing the plate in hot distilled water.
Can you comment how important this technique has been for the history of photography. For example was it popular and is it still used today?
It is still used today because it was a great breakthrough in developing pictures and it is still really good way to make them. but you can only make one picture useing Daguerreotype