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Beginning Digital Photography. Tuscola CUD #301 Dec. 7, 2006 Presented by W. Eiben. What to Know. What is a Digital Image Types of Digital Cameras Image Compression and File Format Camera Settings Downloading Photos Editing Photos Printing Photos Publishing Photos.
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Beginning Digital Photography Tuscola CUD #301 Dec. 7, 2006 Presented by W. Eiben
What to Know • What is a Digital Image • Types of Digital Cameras • Image Compression and File Format • Camera Settings • Downloading Photos • Editing Photos • Printing Photos • Publishing Photos
picture element - (computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored square or dot). Pixels 1800 x 1600 or 2.88 Million Pixels or 2.88 MegaPixels
Pixilation is an effect caused by displaying a digital image or a section of a digital image at such a large size that individual pixels, small single-colored square display elements that compose the image, are visible to the eye.
Types of Digital Cameras • Point and Shoot Cameras • 8 x 10 prints • 3 to 4 Megapixels • Little Creative Control • Prosumer Cameras • 8 x 10 prints • 5 to 6 Megapixels • Advanced Features • Professional Cameras • DSLR (Digital Single Lens Reflex) • 6 to 12 Megapixels • Changeable Lenses
White Balance Auto White Balance Incandescent Light Bulb Tungsten White Balance Incandescent Light Bulb
Correctly Exposed Under Exposed Over Exposed
Image Compression • Lossless Compression • RAW or TIFF • Lossy Compression • JPEG
Least Compression (less distortion) Most Compression (more distortion)
Shutter Speed Fast Shutter Speed – reduces blurring effect of moving subjects Slow Shutter Speed – increases blurring effect of moving subjects
Aperture Depth of Field Small Aperture (large number) Large Aperture (Small number)
LCD Display • Immediate Feed back • Arm Shake • Uses Power • Can Be Misleading • Hard to Use in Bright Light • Viewfinder • Conserves battery power • Not all cameras have them • Can’t take angled shots • Suffer from Parallax • Can be Blocked by extended lens
Composing A Picture Identify Point of Interest 1. Rule of Thirds 2. The Golden Rule 3. Leading Lines 4. Contrast 5. Framing the Photograph
Rule of Thirds Lake and Rock Take up 1/3 The dominant object is 1/3 from bottom/top/left or right
Golden Rule • The most important part of the image is near the lower right corner of the picture (the lower right quarter)
Leading Lines Lines/Elements that lead the eye into the photo
Contrast Object and Background
Framing the Photograph Background is Framed by Foreground Object
Optical Zoom - Good Digital Zoom - Bad
Flash Options • No Flash • Forced Flash • Fill Flash • Red-eye Reduction Flash • Slow-Sync Flash (Night Mode)
Shutter Button Activation • Depress button halfway and hold • Some cameras give exposure info • Some allow focus on multiple objects
Downloading Images to Computer • USB Cable (some cameras require specific software) • Memory Card Reader • Printers with built in card readers
Image Editing And Printing Picasa Photoshop Others