focuser
/ˈfoʊkəsər/
noun
- A device or mechanism on a telescope, microscope, or camera that adjusts the sharpness of the image.
- The telescope's focuser was stiff, so he oiled it to make adjustments smoother.
- A helical focuser on a microscope lets you fine-tune the image with a twist.
- He replaced the old focuser with a dual-speed one for more precise control.
- A person who concentrates or directs their attention.
- As a natural focuser, she could block out distractions for hours.
- The meditation app calls you a 'focuser' when you complete a session.
- Good focusers often achieve more in less time.
Synonyms