Six Sigma Principles?

Answer Six Sigma is a process improvement methodology that focuses on eliminating the defects in a product or service. The goal of Six Sigma is to have a product or service operate at near-perfection (99.... Read More »

Top Q&A For: Six Sigma Principles

Can anyone help me learning six-sigma principles?

Do login at . You might check them out and pose the question on their board. There are also plenty of articles in their archive - accessible for free - that address topics like how to select and q... Read More »

Will a Canon 50D work with a sigma 18-50mm and sigma 50-150mm hsm?

I have a Canon Ixus 400 and have been using a 1GB Integral memory card on it for years - works absolutely fine!

Will sigma 35mm lens fit the sigma digital camera?

Sigma builds lenses with mounts to fit Sigma and other cameras. I own two which are made to fit a Canon body. These would not work on a Sigma camera as they are, but I'm sure the lenses are also av... Read More »

What does APO stand for in Sigma lenses and how does it differ from normal sigma lenses?