sigma

Through June 26th, 2020, participants can submit their best photos and short films of life at home during the quarantine to win weekly and monthly cash prizes. Sigma Corporation of America, a leading camera, photography lens, cine lens, flash and accessories manufacturer, launched...

<p><img src="http://www.hdproguide.com/images/hdproguide_sigma_1.jpg" width="770" height="472"></p><p><a href="http://www.sigmaphoto.com/" target="_blank"><img src="http://www.hdproguide.com/images/hdproguide_sigma_2.jpg" alt="Rick Booth from Sigma shows us their 20mm F1.4 lens and 150-600mm...