A | B |
pixels | Digital photos are made up of small picture elements. |
dpi - dots per inch | Is a measure of how a printer prints an image. |
ppi - points per inch | Is a measure of how a monitor displays an image. |
Pixel dimensions | The resolution of an image is measured by the images |
Megapixel rating calculated | By multiplying the width and height pixel count of the images produced by the camera. |
Function of the LCD | To display the image seen through the camera's lens. |
Drawback optical view finder | Parallax, the viewfinder shows a slight different image than what is seen through the lens. |
Benefits of electronic viewfinder | It displays exactly what is seen through the camera lens. |
OSD - On Screen Display | Information about the digital camera's settings displayed on the LDC. |
The 4 primary types of digital cameras on the market. | Ultra compact, Compact, Advanced, and DSLR |
DSLR | Used by professionals on the upper end of the price scale. |
Ultra compact digital camera | Is inexpensive and usually small enough to be carried in a shirt pocket. |
4 points that impact the quality if a photo | Quality, Pixel size, format of the image, proficiency of the photographer |
Rule of Thirds | Image is divided into 9 equal parts, four intercepting points can be used to align the focal point of an image. |
Three types of focus | Fixed focus, auto focus, manual focus |
Optical zoom | Uses the camera's optic to magnify the image. Producers higher quality image. |
Digital zoom | Crops your image and magnifies the result of the cropping. |
To improve an image you can | Adjust the color, brightness, and contrast levels |
Why would you want to resize a photo | Camera produce large images, it may be difficult to download. |
Cropping | The process of trimming, or cutting away, unwanted areas. |