Mark Wallace explains why a slow shutter and flash can create "ghosts" in your images. He also explains how motion, flash, ambient light, and shutter speeds are related. Once you understand these principles you can eliminate "ghosts" and add interesting effects by mixing ambient light with light from your flash. Related Products at Adorama: MeFOTO GlobeTrotter Aluminum Travel Tripod Kit Profoto B2 250 AirTTL To-Go Kit Profoto Air Remote Transceiver Profoto 2' Octagonal Off-Camera Flash Softbox Profoto Off-Camera Flash Speedring for Profoto B1 and B2 Profoto 2' Octagonal Off-Camera Flash Softgrid Westcott 5-Section Aluminum Alloy Compact Light Stand Heliopan 46mm Variable Gray Neutral Density Filter - 0.3 to 1.8 (1 to 6 stops) Leica M Type 240 Digital Rangefinder Camera Body Leica 50mm f/1.4 SUMMILUX-M Aspherical -Black Photos by Mark Wallace www.markonabike.com Like, share, and comment on the video below...let's get the conversation started! If you have questions, please share them below.