Photoshop CS4 vs. The Gimp v2.6

Newsrooms are full of weird coincidences. For example, we just learned that  two products often presented as direct competition were launched this Fall. To my right, here is Adobe with its boxing champion, Photoshop, loaded up to version CS4. To my left, Linux and its community of free developpers pushing the challenger on the ring,… Read More

Métro, collages, déchirures

I created on RedBubble a calendar (for 2009) that I think should be interesting for people in love with all kinds of artistic alterations. Images taken from the Paris metropolitan railway (le Métro) in a station under heavy repair. It brought images from the past (probably 20 years ago or more) through the remains of… Read More

Diffraction and digital photography

Several times, I talked about the limitation to photo image quality by light diffraction but I failed to go into the details. To the general request of one reader who asked, I will try to give some explanations to better understand why the digital photographer must absolutely take that into account to make better pictures… Read More