What is another word for varifocal?
Pronunciation: [vˈɑːɹɪfˌə͡ʊkə͡l] (IPA) 
Varifocal is a term used to describe lenses that have more than one focal length, allowing for variable focus at different distances. Some synonyms for varifocal include progressive, multi-focal, graduated, and variable focus lenses. These lenses are commonly used in eyeglasses, camera lenses, and other optical devices where adjustable focus is an important feature. Other related terms include bifocal (with two distinct focal lengths) and trifocal (with three). Varifocal lenses offer improved vision for those with age-related vision loss or other eye conditions, and they are also popular among photographers who need to quickly adjust focus while capturing images.
