Adapters for the Lee holder?, yes!!

If you have a Lee holder and you want to continue using your round filters, now you can.
I finished to test the C83L and works like a charm ;)

You can see how it works in the video.

The adapter it's available for the next lenses:

C83L

• EF 16-35 2.8L USM
• EF 17-40mm f/4L USM (tested)
• EF-S 10-22mm f/3.5-4.5 USM (tested)
  
• EF 20-35mm f/3.5-4.5 USM
• EF 28-300mm f/3.5-5.6L IS USM
• EF 70-200mm f/2.8L USM
• EF 100-400mm f/4.5-5.6L IS USM
• EF 24mm f/1.4L USM
• EF 200mm f/2.8L II USM
• EF 28-70 f/2.8 L USM
• EF 20-35 f/3.5-4.5 USM
• EF 24-105 f/4.0 L USM (tested)
• EF-S 17-55 f/2.8 IS USM

  C88L

• EF 16-35 f/2.8L II USM (tested)
• EF 24-70mm f/2.8L II USM