I do not have much experience with 1x macro.
I used Contax extension tube set in 135 and extension tubes
in 120 Hasselblad.
The main problem with extension tubes is light loss and limited focusing distance.
For instance, with a 56mm + 16mm extension tubes + planar 80mm,
I get only (56+16)/80=0.9x magnification. I need +1.7EV. I can only
move my camera to and forth for a few inches. It limits my composition. I barely take any shoot in a Botany Garden with this amount of lost EV.
One possible solution is to use an external flash in A mode. It seems that jack.wong is using this technique.
Eventually, i give up all the tubes and simply buy a Pentax 645 body and a 120 macro lens for taking macro.
_________________ Would you choose the Rollei or the hassle?
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