Henry gives him a look of mild surprise, the information not quite adding up at first. He says he had to use the mask, and while that's fine, how was he so damn accurate with those shots? The glasses help him to see surfaces... but then, how? Forgive the look of incredulity, even as the subject changes to the flora and fauna. His gaze flickers down for a moment only to go back and examine Mamoru's face.

"Right, well, not everything needs to have a specific use. Could probably be helpful in detecting oncoming predators, though."

He wants to ask. After a pause, he decides he's going to ask.

"Was that mask special in some way?"