Leupold Alumina 50-foot Focus Adapter 59021 is excellent for gallery shooting, and fits post-2004 40mm adjustable objective scopes. The concept is simple: when the ambient light is not what you need, thread on the appropriate Alumina accessory and change the way you look at the world.
Specifications and Features:
Fits Post 2004 scopes w/40mm objectives
Alumina 50ft Focus Adapter
1 in package