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post #55 of (permalink) Old 01-29-2012, 07:07 PM
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Join Date: Mar 2011
Location: london UK
Posts: 528
This is the type of extention tube you should look for or something along those lines, they have no optics in them their sole purpose is to extend the focal lenght (putting more distance between the lense and the sensor which then allows you to get closer to the subject) look for the ones that carry the electrical contact through as this will enable the camera body to still meter light through the lense.

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