±3 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV steps) ±5 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV steps) ±3 (3 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps) ...

It's that time of the year when the prospect of having to write a different number at the end of dates prompts thoughts about what the next twelve months will hold. We've put together a list of what ...

They reported a 2-month history of intermittent blurry vision and severe bifrontal headaches that did not lessen with acetaminophen or ibuprofen use. The headaches were worse in the morning but ...