Ron Leach

No one will ever forget the immortal words of Neil Armstrong who, with a half billion people watching on TV, set foot on the lunar surface at 11:56pm on July 20, 1969: “That’s one small step for a man, one giant leap for mankind.”

ISO is a very important concept and makes up one side of the Exposure Triangle; the other two being aperture and shutter speed. These three variables interact to arrive at a correct exposure.

Ask a bunch of photographers about the first thing they look at when opening images in Photoshop or Lightroom, and you’re likely to hear, “check the sharpness.” There are a number of ways to rehabilitate photos that are slightly soft, but image-editing expert Nathaniel Dodson insists that by using the technique in this tutorial, you’ll “get the best sharpening ever!”