Today (25-April-2017) — New Jersey

I’ve been waiting several days for the remaining barrel cactus flowers to open. I set the plant up in a lightbox and started taking periodic images. Initially, every 5 minutes, then 2 minutes, and finally 1 minute. Ultimately, I plan to make a time-lapsed video.

Troll with blooming barrel cactus. Indoor spring in New Jersey. Image taken with a Nikon Df camera and 105 mm f/2.8 VR macro lens (ISO 100, 105 mm, f/11, 1/30 sec) +SB-910 flash. (David J Mathre)
Troll with blooming barrel cactus. Indoor spring in New Jersey. Image taken with a Nikon Df camera and 105 mm f/2.8 VR macro lens (ISO 100, 105 mm, f/11, 1/30 sec) +SB-910 flash. (David J Mathre)

Author: David Mathre

I am a scientist by training (Eckerd College, BSc; Caltech, Ph.D.). I worked for 27 years as a Chemist in the Pharmaceutical Industry developing processes to manufacture medicines for human and animal health. I now spend my time as a photographer and world traveler. My interests in photography include the natural world, wildlife, landscapes, skyscapes, and seascapes. I have traveled to over 50 countries over the last 10 years, often on Semester at Sea voyages. While at home in New Jersey, I spend time on a home renovation project and expanding my wildflower garden/meadow.

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