10 Sweet GIMP Photo Editing Tricks to Wean You Off Photoshop. You could buy a used car -- albeit not a very good one -- for the same scratch it takes to pick up a copy of Adobe Photoshop, the de facto standard in high-end photo editing software.
Or a pair of GTX 285 graphics cards for that killer SLI setup you've always wanted. We could go on, but at $700 for a piece of software, Photoshop's MSRP hardly needs put into perspective. In short, it's expensive. It's also powerful, but don't worry if you don't have a handful of Benjamins lying around.
How to Convert Color Digital Images into Black and White Ones. 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. Virtually every digital camera, from the simplest point-and-shoot to the most sophisticated digital SLR has the ability to display a histogram directly, or more usually superimposed upon the image just taken. (The Hasselblad H1, the latest generation of film & digital capable cameras, can display a histogram on the camera grip’s LCD while the image is separately displayed on the digital back’s LCD.) On most cameras though the histogram display takes place on the rear LCD screen, and most cameras can be programmed to do this both on the image that is displayed immediately after a shot is taken, or later when frames are being reviewed.