Photosynthesis photography: Making images with living plant leaves

How to make photographs using plant leaves: the technique, examples, f/0.5 camera lens construction, and tips & tricks that I learned along the way. Inspiration for this project came from a 1970's video made by The Royal Institution: https://www.youtube.com/watch?v=l2JTiAASdyw Starch formation refs: https://www.journals.uchicago.edu/doi/pdf/10.1086/329993 https://www.ars.usda.gov/ARSUserFiles/50820500/GPRG/2022PulicationsandSummaries/2022_Photosynthetic%20responses%20of%20greenhouse%20ornament