Mark Wallace
Mark Wallace is a photographer based in the United States. Best known for his web-based video series Digital Photography One on One and Exploring Photography sponsored by Adorama. Millions of people have watched Mark’s videos on YouTube, and the numbers continue to grow. Mark has a strong social media following on Facebook and Twitter, where he spends time interacting with viewers and workshop attendees. In 2014, Mark left the United States to embark on a 2 year worldwide adventure. He visited 28 countries and captured thousands of unique photographs across the globe. In 2016 Mark decided to give up planes, trains, and automobiles and is now exploring the world on his motorcycle.
In the 5th part of the Exposure Triangle series Mark Wallace explains Aperture Values. What does the “f” in f/2.8 mean? Why is 2.8 a large opening and 16 a small opening? Why do aperture values change when you zoom your lens? All of this is explained in this episode!
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Photos by Mark Wallace
