In addition to daily use as a "pan-focus" lens featuring a wide angle, fixed f8 aperture and shallow depth of field, it is compatible with manual focusingusing a lever and capable of close-up shooting as close as 30 cm.
Doug Roberts is founder and chief investment strategist for ChannelCapitalResearch.com, an independent research firm focusing on investment strategies using the Federal Reserve's impact on stock prices.
Now, immigrant advocacy groups are focusing heavily on contacting members of Congress, using social media and other technology to target specific lawmakers.