original: Prime lenses usually have a larger maximum aperture (smaller f-number) than zoom lenses.
simplifications: Prime lenses usually have a larger maximum aperture than zoom lenses. Prime lenses have a larger maximum opening than zoom lenses. Prime lenses have larger apertures than zoom lenses. Prime lenses can have a larger maximum aperture than zoom. Prime lenses have a bigger maximum aperture (smaller f-number) than zoom lenses. Prime lenses usually have a larger maximum aperture than zoom lenses. They have a smaller f-number. Prime lenses usually have a larger maximum opening than zoom lenses. Prime lenses usually have a larger maximum hole than zoom lenses. "Prime" lenses tend to have a larger hole than "zoom" lenses. Prime lenses typically have a higher maximum aperture (smaller f-number) than zoom lenses.