When and where was the photo taken? Upper Antelope Canyon, Page, AZ; September, 2012.
What camera and lens were used? Canon 7D and EF16-35mm f/2.8L II USM.
Tech specs: ISO 800, 60 sec at f/8.0.
Processing: Adobe Photoshop CS3 / minimal color tweaking.
Description: this was my first attempt at light painting.