You can change the angle you are hitting the grating at by changing an adapter.

可以通过更换适配器调整角位。

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To enhance creative expression during shooting PENTAX offers an optional lens adapter with wide-angle coverage to 20mm, and the SportMount Chest Harness which allows for the hands free capture of adventures and features a quick and easy mechanism to review your images and footage without having to remove the camera from its mount.

ENGADGET: Pentax expands ruggedized series with Optio WG-3, Target-exclusive WG-10

While I'm on the topic, the straight-angled 3.5mm jack should be a right-angle jack -- at the very least, an adapter should be thrown in.

ENGADGET: IRL: Klipsch Image X7i, Razer BlackShark and BlueAnt's Embrace headphones