Cavision 77mm - 85mm Offset Step-Up Ring silhouette SILH-PEN-MTL A square lens port cover

A square lens port cover provides simpler protection from dirt and scratches for the Standard Housing as well as its power button

Comparable 35mm/Full-Frame Focal Length: 15 mm Aperture Maximum: T3

/m) Capacitance At 1 kHz

resulting in an improved beading effect when in contact with water for greater cleaning efficiency

and fingerprints

Cavision 77mm - 85mm Offset Step-Up Ring silhouette SILH-PEN-MTL A square lens port coverFor Using Cavision 3x3 w Canon 24 105mm Fits On Over Hood Bayonet Mount Allows Filter Stage to Sit Close to Lens Prevents Vignetting Metal Construction This is a threaded 77mm 85mm Cavision Step Up Ring , designed for using the Cavision 3x3 Matte Box with the Canon 24mm 105mm lens. It threads on over the lens hood bayonet mount via threads within its grooved design. Attaching on this way, instead of into the filter thread of the lens, allows this ring