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.

 whisky's gear list:whisky's gear list
Fujifilm FinePix F450 Zoom Fujifilm FinePix 6900 Zoom Sigma SD15 Sigma 10-20mm F4-5.6 EX DC HSM Sigma 18-200mm F3.5-6.3 DC OS HSM +4 more
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