The Tamron SP AF 60mm F/2 Di II LDIF Macro 1:1 lens is available for purchase. What's in a name, anyway? I mean what are all those letters - are they important?Here's the breakdown:SP = High performance specifications (I know, pretty vague)AF = auto focusF/2 = the widest aperture is F/2.0Di II = made for digital SLR cameras only (can't be used on a film camera)LD = Low Dispersion glassIF = Internal focusingThose letters cover a wide range of technical stuff. Are they important? Absolutely.The
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