Why an f/2.8 Lens?

October 01, 2013 - If you look at Canon's (or Nikon's) lineup of lenses, you will see that there are often the same or similar focal length...
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Philip+S.+Zivnuska

Philip S. Zivnuska

zivnuska@me.com

www.zivnuska.zenfolio.com

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