https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13960836Edit ImageSaveSaveEditCropCustom TextMicroscopy: parts of a fly's eyes []. Pen and ink drawing, on tracing paper.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 881 x 1200 px | 300 dpiLarge JPEG 2355 x 3207 px | 300 dpiFree DownloadMicroscopy: parts of a fly's eyes []. Pen and ink drawing, on tracing paper.More