Beginning Digital Photography Tuscola CUD #301 Dec. 7, 2006 Presented by W. Eiben.
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Transcript of Beginning Digital Photography Tuscola CUD #301 Dec. 7, 2006 Presented by W. Eiben.
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Beginning Digital Photography
Tuscola CUD #301 Dec. 7, 2006
Presented by W. Eiben
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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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Pixels
1800 x 1600or
2.88 Million Pixelsor
2.88 MegaPixels
picture element - (computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored square or dot).
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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.
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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
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Camera Setup
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White Balance
Auto White Balance Incandescent Light Bulb
Tungsten White Balance Incandescent Light Bulb
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Correctly Exposed
Under Exposed
Over Exposed
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Imager size Pixel array Ideal print sizeMax for fine
detailMax for low
detail
2 mp 1200x1600 4x6" (10x15cm) 5x7" (13x18cm)10x13"
(25x33cm)
3 mp 1536x2048 5x7" (13x18cm) 7x9.5" (18x24cm)13x17"
(33x43cm)
3 mp (dSLR) 1440x2160 5x7" (13x18cm)6.5x10"
(17x25cm)12x18"
(30x46cm)
4 mp 1704x22725.5x7.5"
(14x19cm) 8x10" (20x25cm)14x19"
(36x48cm)
5 mp 1920x25606.5x8.5"
(17x22cm)9x11.5"
(23x29cm)16x21"
(41x53cm)
6 mp 2136x28487x9.5"
(18x24cm) 10x13"(25x33cm)18x24"
(46x61cm)
6 mp (dSLR) 2000x30006.5x10"
(17x25cm)9x13.5"
(23x34cm)16x24"
(41x61cm)
7 mp 2304x30727.5x10"
(19x25cm)10.5x14"
(27x36cm)19x25"
(48x64cm)
8 mp 2448x32648x11"
(20x28cm)11x15"
(28x38cm)20x27"
(51x69cm)
8 mp (dSLR) 2336x35048x11.5"
(20x29cm)10.5x16"
(19x41cm)19.5x29"
(48x74cm)
9 mp 2616x34889x11.5"
(23x29cm)12x16"
(31x41cm)22x29"
(56x74cm)
10 mp (dSLR) 2592x38728.5x13"
(22x33cm)12x17.5"
(31x45cm)21.5x32"
(55x81cm)
Printing
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Image Compression
• Lossless Compression
• RAW or TIFF
• Lossy Compression
• JPEG
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Least Compression
(less distortion)
Most Compression
(more distortion)
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•Typical Picture-Taking Modes
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Shutter SpeedFast Shutter Speed – reduces blurring effect
of moving subjects
Slow Shutter Speed – increases blurring effect of moving subjects
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ApertureDepth of Field
Small Aperture(large number)
Large Aperture(Small number)
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•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
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Composing A Picture
1. Rule of Thirds
2. The Golden Rule
3. Leading Lines
4. Contrast
5. Framing the Photograph
Identify Point of Interest
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Lake and Rock Take up 1/3The dominant object is 1/3
from bottom/top/left or right
Rule of Thirds
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•The most important part of the image is near the lower right corner of the picture (the lower right quarter)
Golden Rule
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Lines/Elements that lead the eye into the photo
Leading Lines
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Object and Background
Contrast
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Background is Framed by Foreground Object
Framing the Photograph
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Optical Zoom - GoodDigital Zoom - Bad
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Flash Options
•No Flash
• Forced Flash
• Fill Flash
•Red-eye Reduction Flash
•Slow-Sync Flash (Night Mode)
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•Depress button halfway and hold•Some cameras give exposure info•Some allow focus on multiple objects
Shutter Button Activation
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•USB Cable (some cameras require specific software)•Memory Card Reader•Printers with built in card readers
Downloading Images to Computer
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PicasaPhotoshop
Others
Image Editing And Printing
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Questions