2. A Window Example : Aperture is the size of the window. If it’s bigger more light gets through and the room is brighter.
3. A Window Example : Shutter Speed is the amount of time you leave the window open. The longer you leave them open the more light comes in.
4. A Window Example : ISO is the sensitivity to light of the person inside the room. If they are wearing sunglasses (low ISO) it will take more light for them to see the image then if they are staring at it wide-eyed (high ISO).
24. F - Stop Visual Basics http://photographertips.net Portrait Landscape Shallow Depth of Field Deep Depth of Field
25. Depth and Defocus Blur plane of focus sensor lens defocus blur depends on distance from plane of focus subject rays from point in focus converge to single pixel circle of confusion
26. Depth and Defocus Blur lens plane of focus defocus blur depends on aperture size aperture http://photographertips.net sensor subject circle of confusion