Blackboard optics - convex mirror.
PIRA: Unknown
A convex mirror is held in the holder. The source is rotated and the reflected beam always appears to emanate from the focal point of the mirror. The focal point is located on the optical axis and halfway between the mirror surface and the center of curvature.
Equipment | Storage |
---|---|
Blackboard optics | SW 008 |
or portable set | or 021-22F |