65,359 reputation
11541
bio website mattdm.org
location Somerville, MA
age 39
visits member for 3 years, 10 months
seen 22 hours ago

I work for Red Hat on the Fedora Linux distribution. Before that, I was a sysadmin in the Academic Computing group at Harvard School of Engineering and Applied Sciences. Photography is a hobby, and my main goal is simply documentation of my family life.

If you're a Pentax user, you may be interested in my definitive guide to Pentax hot shoe flashes and compatible 3rd-party options.


The Exposure Tricycle

(Huh, what? See What is the "Exposure Triangle?".)


Matthew Miller


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