Here’s a recent shot of a recent Advanced Lighting class in Mono, Ontario:
Lighting Class, Mono, Ont.
(Lit by two flashes, one in a softbox and one with a grid).
A recent class
SPEEDLIGHTER.CA
The "Go-To" Instructional Photography Blog, by Michael Willems
Where were the flashes?
A-ha! One, the softbox, on the camera right, behind the camera; and the speedlight with grid on the camera left, behind the group.