hiː ˈɔːlsoʊ nˈoʊɾᵻd ðæt ɪŋkɹˈiːsɪŋ ðə dˈɪstəns bᵻtwˌiːn ðɪ ˈæpɚtʃɚ ænd ðɪ ˈɪmɪdʒ sˈɜːfɪs mˈæɡnᵻfˌaɪd ðɪ ˈɪmɪdʒ.
He also noted that increasing the distance between the aperture and the image surface magnified the image.