Since the introduction of the Canon 580EX and the Nikon SB600, users have had to make do fitting the OM-C and OM-EX Omni-bounce attachments.
Now the company have created two purpose built ones designed specifically for the flash units mentioned.
The OM-EY is for the Canon 580EX and the OM-600 is for the Nikon SB600.
These are available from the ePHOTOzine shop for £15.95 each. Click on the links to go direct to the information and order page.