So what are the mechanics of this "through the lens" shot to achieve the ghosting effect? 1. Stabilize the camera - using a tripod is best, a stable surface is a second option or, a steady hand as a last resort; 2. Set number of multiple exposures you require for the frame to (N) - usually 1 to 9; 3. For the roll of film in your SLR, determine the film speed (S); 4. Reset the camera film speed (Yes, you can override the setting) to (N S) or, if ...