三脚

1. Origins, structure, and basic meaning

• Structure: 三脚 (さんきゃく) is a noun for a three-legged support such as a camera tripod.
• Basic usage: 三脚に固定する makes the tripod the support to which a camera is secured; 三脚が倒れない makes the equipment itself the subject.

2. Common pitfalls and similar expressions

• Three-legged stability
  • 三脚 is a three-legged support that stabilizes equipment. With cameras, its key function is secure mounting and reduced shake; it is not the camera itself.