The frame of the holder system is made from high-performance aircraft-grade aluminium. This ensures it is lightweight but sturdy. The large aperture prevents vignetting even with wide angle lenses up to 16mm. The guide rails are made of plastic to protect the glass filters.
Measurements: Width: 142mm | Height: 112mm | Thickness: 22mm
Weight: 182g (with polarising filter) | 166g (without polarising filter)
For square filters 100mm wide and 2mm thick
For lenses with 82, 77, 72 and 67mm filter threads
With optional additional adaptors for 62, 58 and 55mm filter threads