IRix Edge Gelatin Filter Set (29 X 29mm , 2 To 4-Stop)

IRix Edge Gelatin Filter Set (29 X 29mm , 2 To 4-Stop) Key Features 6, 0.9, 1.2 Optical Density 5 Each 2-, 3- & 4-Stop Gelatine Filters For IRix 11mm & 15mm Lenses 1mm Thick Gelatin Filters This 29 X 29mm Edge Gelatin Filter Set From IRix Contains Five Each Of Three PopULar Neutral Density Filters, Used To Darken The EntIRe Image Area For More Control To Decrease Lens Aperture For Narrower Depth Of Field, Helping To Isolate A Subject From The Background. These Filters Also Make It Possible To Lengthen Camera Shutter Speeds To Increase Movement And Motion Blur. The Flat, Unmounted Filters Slide Into The Rear Filter Slot Of The IRix 11mm F/4.0 And 15mm F/2.4 Lenses.