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Old May 25, 2006, 10:04 PM   #1
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EF 4,0-5,6/70-300 IS USM

EF 4,0-5,6/75-300III

EF 4,0-5,6/75-300III USM

EF 4,5-5,6/90-300

EF 4,5-5,6/90-300 USM

EF 4,5-5,6/100-300 USM

i understand the general differences between USM and IS , but generally which ones is the best choice? i know the IS is the most expensive due to the IS the rest are all in similar margins. Probably some of thoose Lenses are newer some are older with better/worser optics but i can't tell which one to choose.

thnx in advance

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Old May 26, 2006, 10:04 AM   #2
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The 1st one(EF 4,0-5,6/70-300 IS USM) is the newest... and about the only one you should be considering

Optically a Sigma 70-300 APO is superior to the rest of the line-up and much more affordable (plus it has semi-macro capability)
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Old May 26, 2006, 10:13 PM   #3
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thnx NHL.. again and again..

i'll try to complete my lens set before i start my vacation. still thinking about
if i rather go wide or tele.. but i somehow think i can stitch a panorama image together but i can't crop an 300mm shoot out of my 85mm lens
the efs 10-22 is in the same price region (after rebate) as the 75-300mm IS
so thats a though call cause if i spend all my money into glass my gf will likely kill me
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