Hi Frank
I have the Canon EF-S 60mm F2.8 and it is as sharp as a razor and compact.
However, at 1:1 the front element is only some 9 or 10 cms away from your subject, which sometimes is too close, and this doesn’t allow the background to appear softly and pleasingly out-of-focus.
I would have liked the Canon 100mm F2.8 but couldn’t afford it and now Canon has the 100mm F2.8 L with IS at almost twice the price of the standard 100mm F2.8.
I have read good reports about the Sigma 105mm F2.8 and the Tamron 90mm F2.8 and I suspect both these would allow you to achieve the 1:1 magnification whilst keeping a suitable distance from your subject.
Cheers
Dennis
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