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Monday, 22 March 2010
Picture 5
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Picture 4
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Picture 3
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Picture 2
This is the original picture of one of the college courtyards. The picture below is the edited version.
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Picture 1
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Wednesday, 24 February 2010
Photography and Technology
Process - The captured image is turned into something we can see.
Store - The image is put onto something we can keep, such as a printed photograph.
- Light enters camer through lense.
- Lights hit sensitive film and reacts with it.
- Film removed from camera and put into chemicals for developing in a negative.
- Negative projected onto photographic paper and printed using more chemical
Digital Photgraphy
- Light enters camera though lense and hits light sensitive sensor.
- Signal from sensor converted into digital data by a processor.
- Digital data stored as an image on a storage medium in the camera.
USB- A physical connection used by cameras and scanners, possibly the fastest option.
Removeable Card- Images can be captured by a digital device onto a removeable card. Can be connected to a computer by a card reader.
WiFi- Some cameras use WiFi technology to send digital images to a computer.
Bluetooth- Mobile phones, PDA's and some digital devices can send information to other bluetooth devices providing they are close to eachother.
RAW Files- These files have not been processed by the camera. They can be printed or edited with computer editing software. RAW files are very large and not all software can edit them. Computers can correct RAW files more sucessfully than those that have been processed by a camera.
JPEG- This stands for Joint Photographic Experts Group. These set the standard of photo compression. When a captured image is turned into a JPEG, quality is sacrficed for a reduction in the size of the file, consequently this is known as a "lossy" process.
The table below shows the different file types images can come in and their uses.
Monday, 22 February 2010
Aperture and Shutter Speed
Aperture - How big the opening of the lense is.
Shutter speed is measured in seconds.
1/250th of a second is considered fast, while 1/30th of a second is considered slow. A picture cannot be taken under 1/20th of a second without the use of a tripod.
Exposure is the amount of light that reaches the cameras digital sensor. This can be controlled on a camera by different functions.
On a camera usually the shutter speed is label "T" and the aperture labeled "A"
Aperture is usually expressed in F-Numbers.
F/2.1 is large while F/22 is small.
If the aperture is large (for example F/2.1) the shutter speed must be fast (for example, 1/250th of a second). If the aperture is small (for example F/22) then the shutter speed must be slower (for example 1/30th of a second.)
The higher the aperture is the smaller the hole in the camera will be to let light through to the light sensitive surfaces which process the picture.
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Monday, 1 February 2010
Photo Ethics
In this picture Stalin had his commissar removed from the photo when he fell from power because he was considered an enemy, so through history when people viewed this picture no-one would have known that there was even another man there.
Monday, 18 January 2010
Semiotics & Representation
Representation is how people and places are viewed through images.
Semiotics is the study of sign systems. Any word that ends in "ics" is the study of something. Semiotics is when media texts are taken apart to show meanings. It also shows important aspects of the text such as trust are created. Semiotics show that meanings can be developed at the simplist of levels.
Denotation is the single basic or literal meaning
Connotation when semotics are used to explore the secondary or associated meanings of signs and codes that become interesting.
Monday, 4 January 2010
Photo Journalism
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Photo Journalism is showing reality through pictures. The key is to getting the moment right, "the decisive moment" is pressing the shutter at the most optimum moment.
Some of the most influential photographers were Robert Cappa, Man Ray, Paul Strand and Henri Cartier-Bresson. Robert Cappa was born on October 22nd 1913 and he died May 25th 1954. He became one of the most famous war photographers to date. One of the pictures he captured was a man being killed by a bullet.
Another influential photographer was Henri Cartier-Bresson. He was born A
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