This is airbrushing: Marcus Eisenhuth showing his skills in Airbrush Step by Step magazine

Association members Marcus Eisenhuth has lately been featured in Airbrush Step by Step Magazine: He is an expert for photorealism and shares his workflow on a frog portrait with the reader. You can hardly believe that this artwork is not a photo.
Marcus Eisenhuth: www.berlin-airbrush.de
Airbrush Step by Step Magazin: www.airbrush-magazine.net