Posted by HOST on 5/26/2006, 10:59 am, in reply to "x2 Converter and extension tube" HOST
A 2X convert lens is that - a lens of sorts. It cannot be used alone, but connected to the camera and a lens being added on to it, doubles the range of the lens, similar to a telescope effect. You lose some light in the process due to the extra optics, though. A tude is just that - a tube, which allows you to get closer to an object.
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