Digital Photography
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Transcript of Digital Photography
Shoo:ng Modes
• Auto • Portrait • Landscape • Running
Portrait & Landscape shooting modes are
not the same as orientation
Taking Pictures
• Hold it steady • Use natural sunlight whenever possible • Put the sun behind you • Get close…almost too close
• Use propor:on • Use the horizon as a guide
http://www.kodak.com/eknec/PageQuerier.jhtml;jsessionid=5RFZ03RK0PRMVFW4FBCXWEMW1YUEQ4L4?pq-path=38&pq-
Rule of Thirds
Imaginary lines are drawn dividing the image into thirds both horizontally and vertically. You place important elements of your composition where these lines intersect.
http://www.betterphoto.com/exploring/tips/thirds.asp
Off Center…. but in a good way
• Hand in hand with the rule of thirds is keeping your subject off center
Up‐close & Personal
• Embracing your inner zoom & the MACRO feature on your camera
• The macro mode buQon, when pressed, switches the camera into a special close focus mode and allows the photographer to shoot less than 10cm from the picture subject.
Go Ver:cal!
• The camera is not locked in a horizontal posi:on!
• Ver:cal pictures suit some subjects beQer ‐ and are much easier to add in PowerPoints!
To Flash or not to Flash
• Use natural light whenever possible • Use flash sparingly • If unsure, take one with and one without and decide later!
Memory Cards • Memory cards store the actual data files of your photos
• The bigger the memory card the more photos you can take
• The faster the memory card the faster you can take pictures
• The memory card type is not as important as the two above features
Photo Safari
• Find the following in the FI – Mr. Friday
– A flower – A person working – A pen – Something in the shape of a circle
You have 20 minutes!
Photo Applica:ons
• Mac – iPhoto
• PC – Irfanview
• hQp://www.irfanview.com/
• Both – Adobe Photoshop – Macromedia Fireworks
What is a Mega Pixel?
• What is a Pixel first… – A pixel (short for picture element, using the common abbrevia:on "pix" for "picture") is one of the many :ny dots that make up the representa:on of a picture in a computer's memory.
What is a Mega Pixel?
• A unit equal to one million pixels.
• The higher the resolu:on, the more pixels in an image and therefore the greater the image quality.
• An image file that is 1 megapixel (MP) can make a photo realis:c print of 5 x 7 inches; a 2 MP file can make an 8 x 10‐inch print; a 3 MP file can make an 11 x 14‐inch print.
To Crop or not to crop • There is always room to crop! • Use the rule of thirds • Keep original • Don’t be afraid to get in close
Resolu:on
• The number of pixels per square inch on a computer‐generated display; the greater the resolu:on, the beQer the picture.
• For display on a screen, 72 pixels per inch both ver:cally and horizontally is the maximum.
• For print work, a higher number will give beQer results, such as 300 dots per inch.
• With higher resolu:on, more memory space will be used for the image.
What do MP & Resolu:on have to do with me?
• To find the largest photo quality image you can print, simply divide each dimension by ppi (I.e. 300 or 72) – A 3.2 MP camera has a resolu:on of 2048 x 1536
• 2048/300=6.83 • 1536/300=5.12
This will make excellent 4x6, but don’t print 8x10
File Types
• GIF ‐ raster‐based color graphics file format, onen used on the World Wide Web to store graphics. This is the type best used for cartoon‐like images.
• JPEG ‐ A graphic format that allows images to be viewed on the Web. It allows compression of memory, using less space and facilita:ng faster load :me on a Web page. This is the type best used for photographs.
Web images
• GIF Images‐ Graphics Interchange Format (GIF) images are the most common type of image found on the Web. GIF images are limited to 256 colors, which is the same number of colors most computer monitors can display.
• JPEG Images‐ Joint Photographic Experts Group (JPEG) images are commonly found on the Web. JPEG images can have millions of colors and are onen used for photographs and very complex images.
• PNG Images‐ Portable Network Graphics (PNG) images are a newer type of image specifically designed for use on the Web. PNG images can have millions of colors will eventually replace GIF images.