โCoffee, the favorite drink of the civilized world.โ โ Thomas Jefferson, third president of the United States
focuser (plural focusers)
A device which allows one to adjust the focus of an instrument such as a telescope.
• refocus
Source: Wiktionary
8 May 2025
(noun) the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity
โCoffee, the favorite drink of the civilized world.โ โ Thomas Jefferson, third president of the United States