Originally Posted by The1
the longer you make the extension tube, the closer you have to be. if you stick the smallest one on with the 50mm, it will be likely the most usable.
if you put too large of an extension tube, you can actually make it so you have to actually touch the object to the lens just to get the focus point.
Yep that's exactly what im experiencing. I should try on longer lenses.
Also; i should try with my 105mm.