Understanding the Difference Between Photoshop and Lightroom |
Digital-Photography-School

One of the most common questions I hear from people just starting out in photography is, “What program should I use to edit my photos?”. There are many free options such as iPhoto, Picasa, GIMP, and other commercial programs such as AfterShot Pro and Pixelmator but the most popular programs are Photoshop and Lightroom. That question is usually followed by another, which seems quite logical, “What’s the difference between Photoshop and Lightroom?”. While the two programs do share many similarities, and are both widely used by the photographic community, they each serve a unique purpose and are quite different in some very major ways. Understanding what makes them similar, as well as different, can help you make an informed choice when selecting the right software for your needs……
 
Source: digital-photography-school.com