Equipment
视场
Field of view
How much sky you see at once, in degrees.
A 7×50 binocular shows about 6.4°.
Related terms
- GoTo mount — A mount that slews to a target and tracks it.
- Tripod — The base holding a telescope or camera.
- Binoculars — Two short scopes side by side: wide field, easy to aim.
- Exposure — How long a camera sensor collects light.