telephoto vs photo

telephoto and photo both are nouns.

Word	Noun	Adjective	Verb	Adverb
telephoto	Yes	No	No	No
photo	Yes	No	No	No

As nouns, photo is a hypernym of telephoto; that is, photo is a word with a broader meaning than telephoto:

telephoto: a photograph made with a telephoto lens
photo: a representation of a person or scene in the form of a print or transparent slide or in digital format

Other hypernyms of telephoto include exposure, photograph, pic, picture.

telephoto (noun)	photo (noun)
a photograph made with a telephoto lens	a representation of a person or scene in the form of a print or transparent slide or in digital format