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Old Oct 7, 2006, 3:28 AM   #1
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Have fairly recentlyboughtaCanon 30D ( with 17-85 EF-S ) Thinking of getting Macro lens, mainly for medical purposes such as photographing skin rashes, moles, lumps and bumps. What are the relative merits of getting the 60mm or 100mm? Would be grateful for any advice.

Thanks Ian.
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Old Oct 7, 2006, 8:28 AM   #2
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The 60 mm will most likely be smaller. But it can only be used on a sub full-frame camera. It's also newer and made for the 30D

The 100 mm is a full-frame lens that a lot of L snobs have in their bags because of it's excellent quality. You will have increase magmification but that may be a problem or an advantage. It also focuses pretty fast for a macro an can be used as a portrait lens too.
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Old Oct 8, 2006, 8:56 AM   #3
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An EF-S (digital lens only) will always be sharper than the full-frame equivalent:
http://www.photozone.de/8Reviews/len...0_28/index.htm
http://www.photozone.de/8Reviews/len...0_28/index.htm

There's some vignetting with the 60mm, but you'll be using theses lenses stopped down anyway!

-> it mainly depends on how far you'll be shooting these samples or the ease of lighting which may dictate which lens to pick
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