OS Lenses

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Blog Spotlight

Telephoto Compression with the Sigma 150-600mm DG OS HSM | Sports lens

Telephoto compression is a fantastic visual effect with supertelephoto lenses.

Opening Doors and Opportunities with Sigma Zoom Lenses

I am an amateur photographer that lives on Long Island NY.  I got my first DSLR in 2012 and picked up a used Sigma 120-400mm zoom shortly after....

Air to Air Basics with Sigma's Zoom Lenses

© 2016 Jim Koepnick | Full prop circle shooting at 1/80th of a second and finding the correct light angle. A clean, darker background like a lake...

Boudoir Photography Workshop: Posing for Boudoir

In Part two of the Boudoir Video Workshop,  Sigma Pro James Schmelzer demonstrates bed posing technique with constant lights. James gives great...