Red and Blue

by Gordon

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Yes. The EMF chip, when correctly positioned and glued to an adapter ring will perform autofocus confirmation and communicate EXIF lens information (focal length, max. aperture, and even the aperture setting used--if you follow the correct steps while shooting) on a digital Canon EOS body (I've used them on an XT, 50D, and 5DMkII). The adapter ring and the ...

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