I know it's a little late for Christmas music, but did you start singing that song?
Photography, or more precisely the art of capturing images, using the science of light is like a building that is built on three pillars over changing ground. If each of the pillars are measured, and used precisely you will get a beautifully square building; something you will be proud of. In photography, the three pillars are ISO, aperture and shutter speed. When use in relation to one another you will get a well exposed photo; something you can be proud about. For other metaphors on the relationships of exposure, check out this article: http://digital-photography-school.com/learning-exposure-in-digital-photography . Don't feel you have to read this article, but it is good in helping us understand the relationships in exposure.
The relation between ISO, aperture and shutter speed is usually shown in a diagram called the exposure triangle; you can see a version of it in the article below. By changing one setting, you might change the amount of light that the lens allows to enter the camera, or you might change how long the camera sees that light, or you might change how fast the camera's sensor (or film) can record the light; in each setting the final image will be different. However, if you begin to understand the relation between the three corners of the triangle, you will begin to control your camera to create artistic photos. You will be able to control the depth of field (creating emphasis, or even capturing high detail); you will be able to create motion blurs (think of a photo showing tail lights of cars as a line) or you may want to freeze action (capturing a water droplet hitting the surface); in any case you want to create photographs that tell the story you want told.
So, the lesson and tasks?
Photography, or more precisely the art of capturing images, using the science of light is like a building that is built on three pillars over changing ground. If each of the pillars are measured, and used precisely you will get a beautifully square building; something you will be proud of. In photography, the three pillars are ISO, aperture and shutter speed. When use in relation to one another you will get a well exposed photo; something you can be proud about. For other metaphors on the relationships of exposure, check out this article: http://digital-photography-school.com/learning-exposure-in-digital-photography . Don't feel you have to read this article, but it is good in helping us understand the relationships in exposure.
The relation between ISO, aperture and shutter speed is usually shown in a diagram called the exposure triangle; you can see a version of it in the article below. By changing one setting, you might change the amount of light that the lens allows to enter the camera, or you might change how long the camera sees that light, or you might change how fast the camera's sensor (or film) can record the light; in each setting the final image will be different. However, if you begin to understand the relation between the three corners of the triangle, you will begin to control your camera to create artistic photos. You will be able to control the depth of field (creating emphasis, or even capturing high detail); you will be able to create motion blurs (think of a photo showing tail lights of cars as a line) or you may want to freeze action (capturing a water droplet hitting the surface); in any case you want to create photographs that tell the story you want told.
So, the lesson and tasks?
- Read, and look at the examples given in the article found here: http://goo.gl/Jqmy
- Watch the video below (the photographer's voice is slightly annoying, but the in.
- Answer the questions in the file below, send me a draft of your answers via the submit assignments when you are done.
- If you get this done, you're out taking photos.
isoapertureshutterspeedshortb.doc |