Entries for January 2008

Perhaps one of the most difficult concepts for photographers and other types of digital artists to wrap their minds around is the concept of "Resolution". No, I'm not talking about that steadfast determination to throw your money away on a gym membership come January 1st. I'm referring to the fundamental principle that must be abided by when viewing and printing your photos at a photo lab or on a consumer grade printer. Hopefully I can answer the question, "What resolution does my image need to be to print correctly?".

Now lets look at a big NO NO when resizing your images to send to the lab. The big bad word in this case is "Resampling". Resampling occurs when you enlarge an image by increasing the resolution (Resing-Up or Up-Resing as it is commonly referred to). When you tell Photoshop or any other digital imaging program to increase the number of pixels per inch you are telling it to literally cram more pixels into every inch. Those pixels aren't just magically created

Have you heard about Adobe 98? sRGB? both of these are Color Spaces - basically a way of describing colors that a given device (monitor, printer, camera) can display or capture. These are not the only two color spaces, just the two most popular in photography. Think of a color space as a cereal bowl - some bowls are larger than others