https://petapixel.com/2017/10/03/full-frame-vs-crop-sensor-shootout-can-tell-difference/
https://www.dpreview.com/videos/0851604943/video-full-frame-vs-crop-sensor-portrait-shootout
https://www.slrlounge.com/hands-on-with-the-new-sony-rx100vi-manny-ortiz/https://petapixel.com/2017/10/03/full-frame-vs-crop-sensor-shootout-can-tell-difference/
https://www.digitaltrends.com/photography/high-speed-sync-flash/
https://fstoppers.com/portraits/best-portrait-lens-254941
https://www.thephoblographer.com/2017/10/18/manny-ortiz-portrait-lenses-portrait-photographers/
https://www.imaging-resource.com/news/2018/08/07/manny-ortiz-shoots-at-f-0.95