Digital Camera Stuff

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Digital Camera Stuff:
Things to Know Before & After Buying One

Dr. Tom Foley
Mathematics Dept. & Computer Science Dept.,
Glendale Community College

These pages were created for my students and my colleagues at GCC. They are intended for an average computer literate person with an average interest in digital photography. For more advanced info, please refer to the Links to Other Resources. Most of the image editing examples use Photoshop Elements version 2, and the details are similar to those used in Elements (version 3) and Photoshop CS. There are a few editing example that make use of Photoshop CS.

What are Pixels, Mega Pixels, & How many MP's should I get?
Pro's & Con's of Digital Cameras
Additional Expenses - there are many
Things to look for in Choosing a Camera
List of Cameras - with prices, # of MP's, zoom, and type of memory card. Beware that the lowest price listed might be from an on-line service of marginal reliability.
Image file formats - with discussion of JPG files, plus RAW, TIFF, GIF, and editor formats
Memory Cards & Image Capacity - stuff about different memory cards and how much memory you need
Camera operation - things to know
Workflow - generic steps after a photo is taken
Computer issues - you may need an upgrade
Image Editing in general - These editing examples using Photoshop Elements will enhance a mediocre image and make it rock! I avoided using Layers in some of these examples in order to keep things simple.

Image Editing example - general color/contrast enhancement, save for prints, and save for the web. This example contains essential info for enhancing almost any image.
Image Editing example - selections and selective enhancements
Image Editing example - adjustment layers
Image Editing example - crop for printing at stores
Image Editing example - contrast is good and bad, so be selective
Image Editing example - red-eye removal and some brighter teeth
Image Editing example - vignette examples
Image Editing example - very low light + yellow cast
Image Editing example - add a border for printing
Image Editing example - digital noise
Image Editing example - what I generally do in Photoshop CS
Image Editing example - perspective distortion correction
Image Editing example - Curves, Channel Mixer, Blending Modes, simulation of Velvia film (Photoshop CS)
Image Editing example - Photo Filters and Curves (Photoshop CS)
Image Editing example - Clone Stamp to remove edge artifacts from sharpening
Image Editing example - Shadow/Highlight for bring detail out of shadow (Photoshop CS)
Image Editing example - Healing (Photoshop CS)
Image Editing example - Sharpening
Image Editing example - Local Contrast Enhancement using the Unsharp Mask
Image Editing example - digital slide show presentation
Image Editing example - image resizing up and down for prints and digital presentation
Image Editing example - 16 bit Mode or why 16 million colors is not enough (Photoshop CS)
more to come in the future.

Making Prints - at photo processing stores and/or on a home printer
Links to other resources (camera reviews, printer reviews, tutorials, some good books)

More images: Shots of Monument Valley and shots on a Northern Trip to Iceland, Norway, Faroe Islands, and southern England.

[Dr. Tom's home page] -[Glendale Comm. College]
Page maintained by Tom Foley. Tom's email: tom.foley@gcmail.maricopa.edu
Web URL: http://glory.gc.maricopa.edu/~tfoley/photo
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