On the other hand, all three manufacturers suggested that the eyepiece should be blocked during main-sensor live preview to prevent light ingress affecting the process, but only the E-330 included a built-in eyepiece shutter, operated by a lever next to the eyepiece.
ɔnðɪ ˈʌðɚ hˈænd, ˈɔːl θɹˈiː mˌænjuːfˈæktʃɚɹɚz sədʒˈɛstᵻd ðætðɪ ˈaɪpiːs ʃˌʊd biː blˈɑːkt dˈʊɹɹɪŋ mˈeɪnsˈɛnsɚ lˈaɪv pɹˈiːvjuː tə pɹɪvˈɛnt lˈaɪt ˈɪŋɡɹɛs ɐfˈɛktɪŋ ðə pɹˈɑːsɛs, bˌʌt ˈoʊnli ðɪ ˈiː θɹˈiːhˈʌndɹɪd θˈɜːɾi ɪŋklˈuːdᵻd ɐ bˈɪltɪn ˈaɪpiːs ʃˈʌɾɚ, ˈɑːpɚɹˌeɪɾᵻd baɪ ɐ lˈɛvɚ nˈɛkst tə ðɪ ˈaɪpiːs.