David Baker speaks at TED2019: Bigger Than Us. April 15 - 19, 2019, Vancouver, BC, Canada. Photo: Bret Hartman / TED TED2019_20190416_2BH1899_3000 Technical Details Camera: ILCE-9 Taken: April 17, 2019 Focal length: 100mm Aperture: f/4 Exposure: 1/125 second ISO: 2000
