Digital Camera World on MSN

LK Samyang / Rokinon AF 24-60mm f/2.8 FE review: A downsized delight with a relatively fast and constant aperture rating

The LK Samyang / Rokinon AF 24-60mm f/2.8 FE is the second collaborative effort with input from Schneider-Kreuznach, putting ...
How-To Geek on MSN

The hidden costs of whole-column references in Excel: Learn 3 alternatives to optimize your workbook's performance

Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a ...