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06-27-2009, 07:14 AM   #1
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Difference between sigma 70-200 ex apo and apo ex dg

Which are the differences in quality? I know that the last version (apo dg macro I or II) isn't good at 200. But there is an apo dg hsm an another not hsm?

06-27-2009, 08:11 AM   #2
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I have a sigma APO 70-200 F2.8 EX. bought in 2003.

I think there was a DG series after this with a rear element coating to reduce sensor flair, then the DG macro, and then the DG HSM.

I am extremely pleased with the non macro version, and use it almost exclusively with either a 1.4x or 2x sigma TC at 200mm

never had an issue with sharpness
06-28-2009, 03:07 AM   #3
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DG = "Digital something" - extra coating for digital camera sensors.
So in chronological order (I think):
Sigma APO 70-200 f2.8 EX
Sigma APO 70-200 f2.8 EX DG
Sigma APO 70-200 f2.8 EX DG Macro
Sigma APO 70-200 f2.8 EX DG Macro HSM
Sigma APO 70-200 f2.8 II EX DG Macro HSM

or similar.
06-28-2009, 07:28 AM   #4
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I bought the 70-200mm APO EX after Lowells recommendation and find it excellent, I also use it with the 1.4x and 2x DG EX converters.

Taken with the 2x converter.



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