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

Pixels 1800 x 1600 or 2.88 Million Pixels or 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).

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

Camera Setup

White Balance Auto White Balance Incandescent Light Bulb Tungsten White Balance Incandescent Light Bulb

Correctly Exposed Under Exposed Over Exposed

Imager sizePixel arrayIdeal print size Max for fine detail Max for low detail 2 mp1200x16004x6" (10x15cm)5x7" (13x18cm) 10x13" (25x33cm) 3 mp1536x20485x7" (13x18cm)7x9.5" (18x24cm) 13x17" (33x43cm) 3 mp (dSLR)1440x21605x7" (13x18cm) 6.5x10" (17x25cm) 12x18" (30x46cm) 4 mp1704x x7.5" (14x19cm)8x10" (20x25cm) 14x19" (36x48cm) 5 mp1920x x8.5" (17x22cm) 9x11.5" (23x29cm) 16x21" (41x53cm) 6 mp2136x2848 7x9.5" (18x24cm)10x13"(25x33cm) 18x24" (46x61cm) 6 mp (dSLR)2000x x10" (17x25cm) 9x13.5" (23x34cm) 16x24" (41x61cm) 7 mp2304x x10" (19x25cm) 10.5x14" (27x36cm) 19x25" (48x64cm) 8 mp2448x3264 8x11" (20x28cm) 11x15" (28x38cm) 20x27" (51x69cm) 8 mp (dSLR)2336x3504 8x11.5" (20x29cm) 10.5x16" (19x41cm) 19.5x29" (48x74cm) 9 mp2616x3488 9x11.5" (23x29cm) 12x16" (31x41cm) 22x29" (56x74cm) 10 mp (dSLR)2592x x13" (22x33cm) 12x17.5" (31x45cm) 21.5x32" (55x81cm) Printing

Image Compression Lossless Compression RAW or TIFF Lossy Compression JPEG

Least Compression (less distortion) Most Compression (more distortion)

Typical Picture-Taking Modes

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 1. Rule of Thirds 2. The Golden Rule 3. Leading Lines 4. Contrast 5. Framing the Photograph Identify Point of Interest

Lake and Rock Take up 1/3 The dominant object is 1/3 from bottom/top/left or right Rule of Thirds

The most important part of the image is near the lower right corner of the picture (the lower right quarter) Golden Rule

Lines/Elements that lead the eye into the photo Leading Lines

Object and Background Contrast

Background is Framed by Foreground Object Framing the Photograph

Optical Zoom - Good Digital Zoom - Bad

Flash Options No Flash Forced Flash Fill Flash Red-eye Reduction Flash Slow-Sync Flash (Night Mode)

Depress button halfway and hold Some cameras give exposure info Some allow focus on multiple objects Shutter Button Activation

USB Cable (some cameras require specific software) Memory Card Reader Printers with built in card readers Downloading Images to Computer

Picasa Photoshop Others Image Editing And Printing

Questions