Switch to a 50mm f/1.4 prime lens and the largest available aperture is four stops faster. In low light you'd be limited to a shutter speed of, say, 1/15 sec with a typical zoom (unless you increase your ISO setting). However, an f/1.4 lens will enable a much faster shutter speed of 1/250 sec.
Influenza, commonly known as the flu, is an infectious disease caused by an influenza virus. Symptoms can be mild to severe. The most common symptoms include: a high fever, runny nose, sore throat, muscle pains, headache, coughing, and feeling tired. These symptoms typically begin two days after exposure to the virus and most last less than a week. The cough, however, may last for more than two weeks. In children, there may be nausea and vomiting, but these are not common in adults. Nausea and
A recent press release from Connecticutâs Lyme Research Alliance (LRA) cautions that, during summer, flu-like symptoms (fever, chills, aches, and exhaustion) could be a sign of Lyme. Brush up on your Lyme IQ with these essential points: Lyme disease is even more widespread than we originally thought.