Derek Watterson

Batch Processing The Adobe suite offers Photoshop and Fireworks for batch processing photographs. To Batch Process is just changing multiple photographs all in one sweep. You may want to quickly...

DPI (dots per inch) vs PPI (pixels per inch) DPI and PPI are the same general idea. When you compare DPI vs PPI, you learn they are both a measurement of density that...

GNU Image Manipulation Program (GIMP) GIMP is a free alternative to using Photoshop or other more expensive photo editing tools. It's a quick 200+ MB download that's easy to install....

Photoshop Wrinkle Removal Removing wrinkles isn't going to be for all of your clients. Grandma may be offended, and grandpa certainly will be. After all, they've worked hard for those...

Red Eye in Photographs To avoid red eye it helps to know the cause. The effect is actually the light (usually from a flash built onto your camera) bouncing off...

Night Photography Tips Modern digital cameras with their lightning quick phase detection and contrast detection auto-focusing mechanisms are really good when it comes to locking focus during the day time....

Gray Card A gray card is used for two purposes: To set a Custom White balance Meter a Scene There are a lot of types of light and using the gray...

iPod vs iPhone If you're looking to get an iPod for it's camera capabilities like the iPhone 4, you may want to think twice about it and read our iPod vs...

Depth of Field Physics We were recently asked about the inner workings or physics behind depth of field, in other words, why does a smaller aperture create more depth of field...

Aperture F Number (f-stop) We've already taught that the aperture is measured in f-stops and that the smaller the number, the bigger the opening. The reason for this is because...

CCD (Charged Coupled Device) To break it down simply,  CCD stands for Charged Coupled Device. The longer definition of CCD is that it's an electronic device that's used in image processing to store...