original render ![](http://clip2net.com/clip/m15854/1361136254-clip-76kb.jpg)
this is generated alpha :![](http://clip2net.com/clip/m15854/1361136338-clip-67kb.jpg)
as you can see there's no reflection detail in it so when I compose render with alpha and add black background I'm receiving different result that original render.
comp: missing reflection detail:
![](http://clip2net.com/clip/m15854/1361136254-clip-76kb.jpg)
this is generated alpha :
![](http://clip2net.com/clip/m15854/1361136338-clip-67kb.jpg)
as you can see there's no reflection detail in it so when I compose render with alpha and add black background I'm receiving different result that original render.
comp: missing reflection detail:
![](http://clip2net.com/clip/m15854/1361136488-clip-59kb.jpg)
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