Thursday, January 17, 2013

photoshop tutorial

Before

After

10 terms

1. Macro: extreme close-ups, usually of very small subjects, in which the size of the subject in the photograph is greater than life size


2. ISO: a standard measure of light sensitivity for your imaging medium.


3. Aperture: The aperture stop of a photographic lense can be adjusted to control the amount of light reaching the film or image sensor. In combination with variation of shutter speed, the aperture size will regulate the film's or image sensor's degree of exposure to light


4. Shutter Speed: the effective length of time a camera's shutter is open


5. Triptych: a work of art that is divided into three parts or sections


6. Metadata: A set of data that describes and gives information about other data.


7. DPI. ( dots per inch, pixels per inch): is a measure of spatial printing or video dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch


8. PPI ( pixels per inch): the resolution, in pixels, of an image to be printed within a specified space


9. Depth of Field:  the distance between the nearest and farthest objects in a scene that appear sharp in an image


10. Exposure: the amount of light allowed to fall on each area unit of a photographic medium during the process of taking a photo