Canon Wide Converter Lens WC-DC52A for Canon S1 IS

Rating:
Summary: not to be used with flash
Review: Wide converter lenses normally make sense to be used indoors where space is limited. But the WC-DC52a can hardly be used there, because its big diameter results in a very big shadow on each flash-lighted foto (in addition the Powershot S1 IS doesn't support external flashlights).
So buy this lens only when you want to use it outside!