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Welcome to Peak Imaging
This page was first put up soon after the D1 came out and professionals started coming to me asking what those black spots they kept seeing in their images were. When Nikon essentially punted on cleaning ("don't touch your sensor"), I wrote the original of this page mocking Nikon with my famous Wendy's Knife cleaning trick (see "Some History" in right column).
Cleaning CCDs by Thom Hogan
Photoxels is first and foremost a digital photography site where you will find digital photography tutorials written in easy to understand language. Our One-Pager ™ digital photography tutorials will help you select the digital camera that is best for you and make sense of difficult technical concepts. Each digital photography tutorial is short, can be read in one sitting, and is immensely practical -- which means you can put what you have just learned to use immediately.
Digital Photography Tutorials - Photoxels
Understanding Histograms
Possibly the most useful tool available in digital photography is the histogram. It could also well be the least understood. In this article we will look at what a camera histogram tells the photographer and how best to utilize that information.