Using v2.73, cycles and a very simple scene: an array of cubes, no big deal. enter image description here

If I set the shader's material to transparent, the cubes in the foreground do become transparent but those far away in the back do not disappear completely and this strange dark things appear (visible in rendered mode and in final renders)

enter image description here

I've played with the clipping distance on the viewport and camera, but I can't figure out how to make those ghosts go away...

  • $\begingroup$ crank up the transmission in light paths in render tab $\endgroup$ – Chebhou Mar 26 '15 at 19:55
  • 2
    $\begingroup$ it's transparency not transmission sorry, try again $\endgroup$ – Chebhou Mar 26 '15 at 19:59
  • $\begingroup$ Related: blender.stackexchange.com/q/18857/599 $\endgroup$ – gandalf3 Mar 27 '15 at 6:24
  • $\begingroup$ I panicked when I saw you asked this question and felt so relieved after scrolling down and seeing an accepted answer! $\endgroup$ – Sibbs Gambling Dec 29 '16 at 18:38
  • $\begingroup$ Me as well hit the panick button, good grief thanks $\endgroup$ – user219279 May 24 '18 at 15:00

Go to Light Paths under the Render Tab and turn up the Max amount of transparent bounces until you have enough for every cube.

enter image description here

For 2.8* set the Transmission bounces in the Render section>Light Paths>Max Bounces

enter image description here

  • $\begingroup$ you saved my day $\endgroup$ – user219279 May 24 '18 at 15:01
  • $\begingroup$ transmission or transparency? $\endgroup$ – Black Cloud Jul 8 '19 at 22:14

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