optically
Adverb
Meaning
By optics or sight; with reference to optics.
Source: Webster's dictionarySynonyms
Antonyms
Phrases with the word
Anagrams
Examples
optically distorted
Aiming the missile was simple; the gunner simply kept his gunsight on the target, while electronics in the sighting system tracked the missile optically and sent corrections through an IR link (similar to a TV remote control).
All weapons were aimed optically with targeting computed by analog electrical instrumentation.
Another popular effect for flooring and table tops is polished concrete where the concrete is polished optically flat with diamond abrasives and sealed with polymers or other sealants.
An optical keyboard technology utilizes light-emitting devices and photo sensors to optically detect actuated keys.
Binary stars are often detected optically, in which case they are called visual binaries.