Hi there,

I need some help in understanding a few things please. I would like to buy a new camera. From recent research and reviews the Canon 7d looks like a good buy. I have always had my heart set on buying a 24-70mm lens, my first serious L series lens. I need a great everyday walkabout lens. My main subjects are my 3 daughters and everything to do with their lives.
If I put this lens on the 7d does the actual mm change? Due to the 1.6 crop of this camera? What is a full frame camera then? Many times I take pictures indoors in low light. Will the 24-70mm be better suited therefore than the 24-105mm? I don't intend on using the tripod everytime I take a picture.

Please help me to understand this before I make a mistake in my purchases...

Thanks