I normally enjoy shooting landscape etc and want to get some lens, I currently have an XSI and want to upgrade to 7D or 7D2 or 70D depending on how much I can save up.. But figured I needed glass first. So for a crop sensor what do most people like to use? Since the wide L lenses are 28mm or equivalent to a 35mm EF-S I don't know if they will be wide enough. Any thoughts?
I strongly suggest 17-40 f/4 L USM lens... very good IQ and at a good price. for shallow DOF i suggest 50mm f/1.4.