17-55 F/2.8 IS EF-S = 27.2-88mm... (wanting to upgrade, confusion...)

[Jarhead5811]

is the EF-S lens still 11mm shorter on the short end and 15 shorter on the long?

Yes, check out Bryan's explanation: Field of View Crop Factor (Focal Length Multiplier).


The focal lengths listed in the specs are always actual focal lengths unless listed as 35mm/full frame equivalent.