Both terms, "binoculars" and "field glasses", are plural nouns. Some names of devices only have a plural form and are grammatically plural.
Both terms, "binoculars" and "field glasses", are plural nouns. Some names of devices only have a plural form, and are grammatically plural.
I can't find my binoculars.
I can't find my binocular.
Plural nouns, also known as pluralia tantum (Latin for "plural only"), cannot be used with the article "a" ("a" means a single thing.) However, you can use the phrases "a pair of binoculars", "two pairs of binoculars", "three pairs of binoculars", etc.
I need a new pair of binoculars.
Follow the same rule with the synonym field glasses.
Where are your field glasses?
She bought three pairs of field glasses and a tripod.
While the noun binocular doesn't exist, you can use it as an adjective or modifier, before a noun, to mean "using both eyes".
Some people don't have binocular vision and may experience visual fatigue and headaches.
Keep also in mind that plural nouns, such as binoculars and field glasses, require a plural form of a verb; thus, we say "binoculars have", but not "binoculars has".
My binoculars have red lenses.
My binoculars has red lenses.
Follow the same practice with these plural nouns: