- Specially designed for Canon EF 11-24mm F/4L USM
- Hold 2 180mm filters at the same time
- 360 degree rotating
- High-quality aviation aluminum.
- Precise CNC machining.
- Black frosted surface.
- Anti-reflective design.
- Copper screw plated with black nickel.
- Quick installation.
- Withstand extreme temperature.
- Compatible with 180mm square filters (2mm Thickness).
- Allow up to 2 filters to be used together.
- Design for use on super wide-angle lenses, specifically the Canon EF 11-24mm F/4L USM.
- No black corners or vignetting.