For photographers who use off-camera speedlites, one problem that often comes up while using modifiers such as umbrellas is that speedlites and mounts commonly made for them are not designed to put the light on the same axis as the umbrella shaft. This leads to inefficient light usage since umbrellas (and most lighting modifiers) are designed to receive light directly at their center.
Thanks for your interest in this article. In an effort to streamline my blog, I’ve moved this post, and all of my photography related posts, over to my new photography site – The Nerdy Photographer. You can find this post and a lot of new content for photographers!