Thread: sigma 150mm - 500mm DG OS HSM
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Old 25-02-13, 08:16 AM
wave01 wave01 is offline
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Join Date: May 2011
Posts: 318
as far as i can see there is only one version of this lens and its only dpreview that has it heavier so the reasons could be? one weighed it with the tripod collar on.
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