MtoA the grass opacity displays partially

[introbuck]

Hi! On screenshot you can see that grass at render is like ignoring the opacity map, however, it has. Some of the grass have, some not. What it can be?

[Stephen.Blair]

transparency depth

[introbuck]

i tried - no result

[introbuck]

the strangest thing that black backround at grass appears at certain angle, for instance, when i zoom closely to that black grass, it becomes fine, still others changes to black(

[thiago.ize]

how high did you set it?