Crayford focuser en · NOUN
Etymology
It was initially demonstrated to the Crayford Manor House Astronomical Society.
Meanings
- A simplified focusing mechanism for amateur telescopes, having a smooth spring-loaded shaft which holds the focus tube against four opposing bearing surfaces, and controls its movement.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Crayford focusers | Number=Plur | lexicographic |