Exposure data: Photographed on a light box with a Nikon D810, MC-36A remote release, and Zeiss Otus 55mm f/1.4 ZF-mount. Two panels, combined horizontally. Each panel comprised of 7 exposures from 1/15 of a second (darkest) to 4 seconds (lightest). All 14 exposures at f/16 and ISO 64, combined in ACR and Photoshop. Final master file resolution for each of the two images—on white (above), and the LAB L-channel inversion (top)—at 10,431 X 4,912 pixels by 300 ppi.
Workshops: From iPhone to Art is now full. Some spaces are available in Achieving Your Potential As a Photographer (Maine, in August) and Photographing Flowers for Transparency (December, in California). My 2016 Workshops & Events calendar is here.
More info: Photographing Flowers for Transparency FAQ.