Promaster 7746 小型氣泡水平儀（適用於相機熱靴）

Slides right into the hot shoe and sits so low I forget it's even there. The bubble is easy to read at a glance, and it’s saved me from crooked horizons on a whole batch of landscape shots.

I was worried it would stick out and look clunky, but it sits so flush on the hot shoe that I forget it's there until I glance down. The bubble is easy to read even in bright sun, which saved me on a few tilted landscape shots.

The low-profile design is a lifesaver on my rig—it barely clears the viewfinder, so it never gets in the way. The bubble sits perfectly level in the circular vial, and I’ve nailed horizon lines on every landscape shot since I popped it on.