Compatible with the following lenses:
- Canon EF 11-24mm f/4L USM
- Canon EF 14mm f/2.8L II USM
- Canon EF 8-15mm f/4L USM fisheye
- Canon EF 15mm f/2.8L Fisheye
- Canon EF 16-35mm f/2.8L USM (I)
- Canon EF 17-35mm f/2.8L USM
- Canon EF 17-40mm f/4L USM
- Solid ND Rear Lens Filter + Holder.
- Space saving and lightweight design.
- Rear installation helps to avoid vignetting.
- Ultra low color cast.
- Made from tempered optical glass.
