Simple MACRO ratio question.

Started Jul 25, 2012 | Discussions thread
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whisky
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Simple MACRO ratio question.
Jul 25, 2012

Perhaps some one can explain what the Macro ratios will be on Full Frame, ie DG lenses or 35mm lenses when used on APSC size sensors ?
The Sigma Multiplier is 1.7 on the focal length, is there a factor on Macro ?

Thanks & Cheers.

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Sigma SD15 Fujifilm FinePix 6900 Zoom Olympus OM-D E-M5 Sigma 10-20mm F4-5.6 EX DC HSM Sigma 70-300mm F4-5.6 APO DG Macro +4 more
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