ðə zˈuːm lˈɛnz vˈɜːʒənz hæv mˈʌtʃ slˈoʊɚ lˈɛnzᵻz ˈɛf slˈæʃ fˈoːɹ.fˈaɪv æt ðə wˈaɪd ˈɛnd, ænd ɪn dʒˈɛnɚɹəl, lˈoʊɚ kwˈɔlᵻɾi ˈɑːptɪks, kəmpˈɛɹd tə ðə fˈɪkst θˈɜːɾi fˈaɪv ˌɛmˈɛm lˈɛnz.
The zoom lens versions have much slower lenses (f/4.5 at the wide end), and in general, lower quality optics, compared to the fixed 35mm lens.