Most times when I visit Tropic World at the Brookfield Zoo, I use my Better Beamer flash extender to photograph various primates. Tropic World in an indoor exhibit. Although there is a large skylight, the lighting level remains relatively low most of the time.
I find that using the Better Beamer along with my Nikon SB-900 flash unit provides some significant advantages for this kind of wildlife photography:
Setting exposure with the Better Beamer is simple:
The Better Beamer is portable and easy to store in my camera bag. I attached the SB-900 to a RRS (Really Right Stuff) flash bracket when using a long telephoto lens to ensure that the light does not get blocked by the lens. The Better Beamer attaches to the flash bracket in seconds.
Here is an example of an image recently captured using this approach: